Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)最新文献

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A BCE-type a-Si TFT with an island metal masking structure 具有岛状金属掩蔽结构的bce型A - si TFT
J. Chen, T.H. Huang, Y. Chen
{"title":"A BCE-type a-Si TFT with an island metal masking structure","authors":"J. Chen, T.H. Huang, Y. Chen","doi":"10.1109/ASID.1999.762762","DOIUrl":"https://doi.org/10.1109/ASID.1999.762762","url":null,"abstract":"A new back channel etched hydrogenated thin film transistor (TFT) device with an island metal masking structure has been proposed and fabricated. The TFT structure contained a continuous layer deposition process of SiN/sub x//a-Si/n+a-Si/metal, and finally resulted in an additional metal layer between source/drain metals and islands. The channel metal was etched in the S/D metal mask patterning simultaneously. Results showed the newly designed TFT device exhibiting some characteristics: (i) good S/D metal/n+a-Si contact, (ii) prevention of plasma damage during processing especially for oxygen plasma ashing and (iii) without additional mask. These advantages will be helpful for a wider range of process window in large area mass production a-Si TFT fabrications.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124311755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ir-coated dispenser cathodes for CRTs 阴极射线管的镀镍分配器阴极
T. Higuchi, S. Matsumoto, T. Yakabe, S. Sugawara, T. Fukui
{"title":"Ir-coated dispenser cathodes for CRTs","authors":"T. Higuchi, S. Matsumoto, T. Yakabe, S. Sugawara, T. Fukui","doi":"10.1109/ASID.1999.762745","DOIUrl":"https://doi.org/10.1109/ASID.1999.762745","url":null,"abstract":"Strong demand exists for the development of high-current-density and long-life cathodes for use in CRTs. In response to this demand the authors have developed and implemented the mass production of two types of Ir-coated 411 type dispenser cathodes having a heater power of 1.31 W and 0.76 W, respectively. These cathodes were designed by computer simulation, and have a structure that allows them to be assembled in electron guns configured for conventional oxide cathodes. The following three types of life tests were carried out in order to confirm the reliability of the cathodes: (1) To investigate temperature changes during the life of the cathodes, a life test of approximately 40,000 h was conducted. The resultant temperature change was small, confirming that the reliability of the cathodes is satisfactory. (2) To investigate emission life, a 32,000 h life test was conducted. The stability of the emission current was thereby confirmed. (3) To investigate heater life, 39,000 h life tests were conducted at several heater temperature levels with a voltage of 300 V applied between the heater and the cathode. From the results of these tests, the minimum life of the heater is estimated to be 80,000 h. The results obtained in the above tests confirm that these cathodes possess good reliability.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122859576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The voltage holding ratio and DC offset voltage in the polymer stabilized homeotropically aligned liquid crystal displays 聚合物稳定同向异性排列液晶显示器的电压保持比和直流偏置电压
Hong‐Da Liu, Chingchen S. Chiu, I. Lin, C. Hsu, C. Wei, Ching-Her Chao, Hseang-Ru Chuang
{"title":"The voltage holding ratio and DC offset voltage in the polymer stabilized homeotropically aligned liquid crystal displays","authors":"Hong‐Da Liu, Chingchen S. Chiu, I. Lin, C. Hsu, C. Wei, Ching-Her Chao, Hseang-Ru Chuang","doi":"10.1109/ASID.1999.762751","DOIUrl":"https://doi.org/10.1109/ASID.1999.762751","url":null,"abstract":"We have studied the influences of monomers on polymer stabilized homeotropically aligned (PSHA) liquid crystal displays (LCD). PSHA-LCD is formed by mixing a small amount of monomers into nematic liquid crystal with negative dielectric anisotropy, then photo-polymerizing the mixtures. The voltage holding ratio (VHR) and the DC offset voltage of PSHA-LCD have been measured for studying the effect of photo-polymerized monomers on PSHA-LCD. We demonstrate the measurement method as well as the results.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125289866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A simple and high quality multigap color filter 一个简单和高品质的多间隙彩色滤光片
J. Shiu, Dai‐Liang Ting, Chung-Yung Liu, Ching-Her Chao, Hseang-Ru Chuang, Ching-Yang Chang
{"title":"A simple and high quality multigap color filter","authors":"J. Shiu, Dai‐Liang Ting, Chung-Yung Liu, Ching-Her Chao, Hseang-Ru Chuang, Ching-Yang Chang","doi":"10.1109/ASID.1999.762779","DOIUrl":"https://doi.org/10.1109/ASID.1999.762779","url":null,"abstract":"We have developed a high quality and simplified multigap color filter (MCF). A multigap LCD is effective for reduction of color dispersion and improvement of viewing angle. A MCF is achieved by applying a single-layer of transparent positive type photo resist to the multigap color filter. The gap difference is easily determined by controlling amount of the UV exposure. The high degree of flatness of the MCF, compared to that obtained by a double-layer transparent negative type photo resist, is shown. Investigation of the influence of post exposure process on the transmittance is also reported. The high quality, simplified MCF with only one additional coating of photo resist to color filter is easy to apply to many types of LCD, such as OCB and normally black TN for performance improvement.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125969989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent development of liquid crystal materials for AM-LCD use 用于AM-LCD的液晶材料的最新发展
H. Numata, H. Ichinose, A. Manabe
{"title":"Recent development of liquid crystal materials for AM-LCD use","authors":"H. Numata, H. Ichinose, A. Manabe","doi":"10.1109/ASID.1999.762749","DOIUrl":"https://doi.org/10.1109/ASID.1999.762749","url":null,"abstract":"Small elastic constants and large dielectric anisotropy (/spl Delta//spl epsi/) LC substances are needed to develop the low driving voltage LCD. The phenomenological and theoretical calculation can be applied to develop large /spl Delta//spl epsi/ LC substances. It is very important to reduce the ion density of LC cell for good reliability LCD that is characterized by small residual DC and high voltage holding ratio. It has been found that the coexistence of large /spl Delta/ /spl epsi/ and good reliability are possible by the screening of LC substances. Non-polar substances featuring small /spl gamma//sub 1/ and low /spl Delta/n also have been developed, and they can be applied for not only to TN but also for IPS and VA modes.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131482927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental characterization of p-channel polysilicon conductivity modulated thin-film transistors p沟道多晶硅电导率调制薄膜晶体管的实验表征
Chunxiang Zhu, J. Sin, H. Kwok
{"title":"Experimental characterization of p-channel polysilicon conductivity modulated thin-film transistors","authors":"Chunxiang Zhu, J. Sin, H. Kwok","doi":"10.1109/ASID.1999.762764","DOIUrl":"https://doi.org/10.1109/ASID.1999.762764","url":null,"abstract":"A p-channel poly-Si CMTFT (Conductivity Modulated Thin-Film Transistor) is demonstrated and experimentally characterized. The transistor uses the concept of conductivity modulation in the offset region to obtain a significant reduction in on-state resistance. This structure can provide 1.5 to 2 orders of magnitude higher on-state current than that of the conventional offset drain TFT at drain voltage ranging from -15 V to -5 V while still maintaining low leakage current and simplicity in device operation. The p-channel CMTFT can be combined with the n-channel CMTFT to form CMOS high voltage drivers, which are very suitable for use in fully integrated large area electronic applications.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121884018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Generalized parameter space diagrams for all liquid crystal displays 所有液晶显示器的广义参数空间图
H. Kwok, J. Chen
{"title":"Generalized parameter space diagrams for all liquid crystal displays","authors":"H. Kwok, J. Chen","doi":"10.1109/ASID.1999.762738","DOIUrl":"https://doi.org/10.1109/ASID.1999.762738","url":null,"abstract":"A generalized parameter space (PS) is presented where all the nematic liquid crystal display modes can be depicted. Normal ECB, TN, STN, OMI, etc. modes can be located in the static or zero volt PS. The contrast ratio can also be shown on the dynamic PS when the on and off voltages are defined. The parameter space can be obtained for both transmittive and reflective LCD. The addition of a retardation film can also be incorporated. In the chromatic parameter space, the dispersion of the various operating modes can be indicated as well.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114761065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Amorphous silicon thin film transistors formed by plasma enhanced deposition at 110/spl deg/C on transparent glass/plastic substrates 在透明玻璃/塑料衬底上以110/spl度/C等离子体增强沉积形成非晶硅薄膜晶体管
Chien-Sheng Yang
{"title":"Amorphous silicon thin film transistors formed by plasma enhanced deposition at 110/spl deg/C on transparent glass/plastic substrates","authors":"Chien-Sheng Yang","doi":"10.1109/ASID.1999.762761","DOIUrl":"https://doi.org/10.1109/ASID.1999.762761","url":null,"abstract":"This article demonstrates good quality amorphous silicon thin film transistors (TFT) fabricated with a maximum processing temperature of 110/spl deg/C on glass or flexible transparent plastic substrates, using rf plasma enhanced chemical vapor deposition. Hydrogen diluted silane was used for the preparation of the amorphous silicon (a-Si), while SiH/sub 4//NH/sub 3//N/sub 2/ or SiH/sub 4//NH/sub 3//N/sub 2//H/sub 2/ mixtures were used for the preparation of silicon nitride (SiN/sub x/) films. Gate and source/drain metal was sputter deposited molybdenum. Plastic substrates were indium tin oxide (ITO) coated polyethylene terephthalate (PET). Transistors formed, using the same processes, on glass and plastic show linear mobilities of 0.33 and 0.12 cm/sup 2//Vs, respectively, with I/sub ON/I/sub OFF/ ratios greater than 10/sup 6/. For transistors on glass, the achieved highest linear mobility is 0.54 cm/sup 2//Vs. The stability of transistors was characterized using electrical stress measurements. The threshold voltage shift is 5.0 volt for a typical transistor on glass substrate, using a stress condition of Vg=25 volt, 600 seconds. Without applying electrical stresses, threshold voltages and linear mobilities of all transistors were found to increase with storage time. We suggest that the relaxation of the interface (SiN/sub x//a-Si) through the bond breaking of the weakest Si-Si bonds contributes to the observation.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126084475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pigment-dispersed color resist with high resolution for advanced color filter application 高分辨率色散抗蚀剂,适用于高级滤色器应用
Rong-Jer Lee, Jr-Cheng Fan, Tzong-Shing Cheng, Jung-Lung Wu
{"title":"Pigment-dispersed color resist with high resolution for advanced color filter application","authors":"Rong-Jer Lee, Jr-Cheng Fan, Tzong-Shing Cheng, Jung-Lung Wu","doi":"10.1109/ASID.1999.762781","DOIUrl":"https://doi.org/10.1109/ASID.1999.762781","url":null,"abstract":"A positive working pigment-dispersed color resist comprising organic pigments and a chemically amplified resist system is designed for a high resolution color filter with fine patterns of less than 5 /spl mu/m lines and spaces. It also shows high brightness and good color reproducibility. An acrylic binder including an acid labile group and an aromatic function group that have both functions of acid catalysed unblocking and good compatibility with pigments is also synthesized.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126477254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Evaluation of residual DC of LC cell LC电池剩余直流电的评价
Y. Nakazono, T. Takagi, A. Sawada, S. Naemura
{"title":"Evaluation of residual DC of LC cell","authors":"Y. Nakazono, T. Takagi, A. Sawada, S. Naemura","doi":"10.1109/ASID.1999.762750","DOIUrl":"https://doi.org/10.1109/ASID.1999.762750","url":null,"abstract":"Residual DC phenomenon is discussed based on the simulation with equivalent circuit of LC cell and experiments for three kind of cells which has different alignment layer with different specific resistivity values. Interfacial and dipole polarization of multi layered dielectrics is caused by DC voltage application. The r-DC observed in short time range (few min.) can be explained by this polarization. Even after the interfacial polarization is relaxed, however, some amount of ions, which moved close to the interface between the LC and the alignment layers, remain for a longer time due to an adsorption phenomenon. The observed r-DC voltage for a longer time range, typically over 1 hour, can be explained by this model of ion adsorption.","PeriodicalId":170859,"journal":{"name":"Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116300982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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