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P-100: A Power-saving, High Brightness and Uniformity Field Emission Planar Lamp

SID Symposium Digest of Technical Papers 2012年第1期41卷

作者： Ching-Hsuang Cheng Yung-Chih Yu Tzung-Han Yang Jason Lo Chi-Neng Mo Jian-Min Jeng Wen-Ching Shih Chih-Chieh Chang Woo-Hu Tsai FED R&D Division Tatung Company 22 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C. Central Research Institute Chunghwa Picture Tubes Ltd. 1127 Heping Rd. Bade City Taoyuan Taiwan 334 R.O.C. Graduate Program in Electro-Optical Engineering Tatung University 40 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C.

We successfully fabricated a power-saving, high brightness and uniformity field emission planar lamp (FEL) by simply screen printing process. In order to maximize the output brightness and reach a good lighting uniformity, we create an innoviative emitter pattern and optimize the FEL assembly process. By the innoviative spiral emitter pattern and optimization assembly process, we fabricated the high brightness and uniform lighting FEL. The lighting area of FEL is 325×37 mm 2 . The FEL can be operated at DC voltage 6.56 KVwith 2 mA current and the brightness is greater than 28000 Cd/m 2 .

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12.4: 7 Inch Field Emission Backlight Unit Assembly Using TiO2Coated Spacer for LCD Panel

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SID Symposium Digest of Technical Papers 2012年第1期40卷

作者： Chi-Neng Mo Mei-Tsao Chian Jian-Min Jeng Wen-Ching Shih Chi-Tsung Lo Li-Yung Lu Wen-Hsien Cheng Ping-Ta Tai Yi-Li Lee Central Research Institute Chunghwa Picture Tubes LTD. 1127 Heping Rd. Bade City Taoyuan Taiwan 334 R.O.C. Graduate Program in Electro-Optical Engineering Tatung University 40 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C. FED R&D Division Tatung Corp. 22 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C.

The field emission backlight unit (FEBLU) for liquid crystal display (LCD) panel was fabricated in this work. In order to avoid the space charge on the side of the spacer, the spacer is coated with the TiO 2 which acts as the charge leakage layer. By introducing of the TiO 2 coated spacers, the assembly of the FEBLU becomes very easy. We have developed the stable 7 inch FEBLU LCD panel which has no discharged breakdown. The FEBLU can be turn-on at (E 0 )= 1.26 V/μm, working at 2.64 kV applied field.

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P-125: A Novel 4.75 inch CNT-FED with Sturdy Metal Plate as Spacer

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SID Symposium Digest of Technical Papers 2012年第1期37卷

作者： Hung-Yuan Li Jeng-Maw Chiou Shy-Wen Lai Jian-Min Jeng Tzung-Han Yang Li-Yung Lu Tsuey-May Yin Ming-Chung Fan Jyi-Tsong Lo Display Technology Center (DTC)/Industrial Technology Research Institute (ITRI) OD100 Bldg. 15 No. 195 Sec. 4 Chung Hsin Rd. Chutung Hsinchu Taiwan 310 R.O.C. Graduate Program in Electro-Optical Engineering Tatung University 40 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C. FED R&D Division Tatung Comp. 22 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C.

We have successfully fabricated 4.75-inch CNT-FED with sturdy metal plates as spacer. The metal plates were etched numerous holes and coated oxide to supply high efficient passage for electrons. We observed that several metal plates not only helped cathode to shield high electric field from anode but also supplied sturdy spacer between cathode and anode. In this work, a uniformity lighting image is obtained and capable of being applied to large-area CNT-FEDs.

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P-150: Catalyst-Free Carbon Nanotubes Synthesized on Graphite Flakes by Thermal Chemical Vapor Deposition

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SID Symposium Digest of Technical Papers 2012年第1期39卷

作者： Jian-Min Jeng Wen-Ching Shih Ming-hong Tsai Chi-Tsung Lo Tzung-Han Yang Chi-Neng Mo Hung-Yuan Li Mei-Tsao Chiang Graduate Program in Electro-Optical Engineering Tatung University 40 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C. FED R&D Division Tatung Corp. 22 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C. Central Research Institute Chunghwa Picture Tubes LTD.1127 Heping Rd. Bade City Taoyuan Taiwan 334 R.O.C. Display Technology Center/ ITRI E200 Bldg. 15 No. 195 Sec. 4 Chung Hsin Rd Chutung Hsinchu Taiwan 310 R.O.C. Department of Mechanical Engineering Chung Yuan Christian University Chung-Li Taiwan 320 R.O.C.

In this paper, the carbon nanotubes (CNTs) are synthesized on the micro graphite flakes using mixtures of C 2 H 2 and H 2 gases by thermal chemical vapor deposition. We spin the graphite solution on the silicon wafer and dry it, then synthesize the CNTs on the graphite flakes. The synthetic process is a catalyst free technique and the CNTs have no metal inside, so this is an easier technique for synthesizing the CNTs. We change the synthetic time to obtain the optimal conditions for synthesis of the CNTs. The experimental results show that the density and quality of the CNTs could be controlled significantly by the synthetic time. Besides, the field emission properties of the CNTs are also affected greatly by it. The emission current density of the CNTs is 0.5 mA/cm 2 at 3 V/μm, and the turn on field is 2.3 V/μm.

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P-151: Fabrication of Nano-Crystalline Graphite Field Emission Device by Thick-Film Technology

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SID Symposium Digest of Technical Papers 2012年第1期39卷

作者： Mei-Tsao Chiang Jian-Min Jeng Wen-Ching Shih Chi-Tsung Lo Tzung-Han Yang Chi-Neng Mo Hung-Yuan Li Department of Mechanical Engineering Chung Yuan Christian University Chung-Li Taiwan 320 R.O.C. Graduate Program in Electro-Optical Engineering Tatung University 40 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C. FED R&D Division Tatung Corp. 22 Chungshan N. Rd. 3rd Sec. Taipei Taiwan 104 R.O.C. Central Research Institute Chunghwa Picture Tubes LTD.1127 Heping Rd. Bade City Taoyuan Taiwan 334 R.O.C. Display Technology Center/ ITRI E200 Bldg. 15 No. 195 Sec. 4 Chung Hsin Rd Chutung Hsinchu Taiwan 310 R.O.C.

The purpose of this paper is to fabricate nano-crystalline graphite (NCG) material by reactive R.F. magnetron sputtering deposition, then scrape the NCG films to create NCG powder, and finally manufacture this into NCG paste. When depositing the NCG films, the atomic hydrogen from hydrogen and methane was introduced to increase the surface roughness of the NCG films, etch the NCG films to create the NCG sheet structure. It was found that the electron field emission properties are not affected through the heat treatment process during screen-printing. The NCG emitter patterns were manufactured successfully on cathode by printing the NCG paste. The current density of the emission site is 340.1 μA/cm 2 at 11 V/μm.

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Photoluminescence of CdSe/ZnS quantum dots in GaN/quantum dots/GaN wafer bonded system

Photoluminescence of CdSe/ZnS quantum dots in GaN/quantum do...

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作者： Li, Y. Giles, A. Stokes, E. Optical Science and Engineering Graduate Program Department of Physics and Optical Science University of North Carolina at Charlotte 9201 University City Boulevard Charlotte NC 28223 United States Nanoscale Science Graduate Program Department of Chemistry University of North Carolina at Charlotte 9201 University City Boulevard Charlotte NC 28223 United States Department of Electrical and Computer Engineering University of North Carolina at Charlotte 9201 University City Boulevard Charlotte NC 28223 United States

ISBN: (纸本)9781607681908

Wafer bonding technology is applied to the GaN/quantum dots/GaN system, where CdSe/ZnS Quantum Dots serve as both the active layer and the binding layer. Photoluminescence is observed from quantum dots following wafer bonding at various temperatures under ultra high vacuum condition. Temperature dependences of bond strength and photoluminescence properties are characterized. Annealing at elevated temperature to form wafer bonds degrades photoluminescence intensity and slightly blue shifts the wavelength. Transmission Electron Microscopy is applied to study the physical properties of vacuum annealed QDs, in which agglomeration is observed. ©The Electrochemical Society.

关键词： Gallium nitride

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P-100: A power-saving, high brightness and uniformity field emission planar lamp

P-100: A power-saving, high brightness and uniformity field ...

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作者： Cheng, Ching-Hsuang Yu, Yung-Chih Yang, Tzung-Han Lo, Jason Mo, Chi-Neng Jeng, Jian-Min Shih, Wen-Ching Chang, Chih-Chieh Tsai, Woo-Hu FED RandD Division Tatung Company 22 Chungshan N. Rd. 3rd Sec. Taipei 104 Taiwan Central Research Institute Chunghwa Picture Tubes Ltd. 1127 Heping Rd. Bade City Taoyuan 334 Taiwan Graduate Program in Electro-Optical Engineering Tatung University 40 Chungshan N. Rd. 3rd Sec. Taipei 104 Taiwan

We successfully fabricated a power-saving, high brightness and uniformity field emission planar lamp (FEL) by simply screen printing process. In order to maximize the output brightness and reach a good lighting uniformity, we create an innoviative emitter pattern and optimize the FEL assembly process. By the innoviative spiral emitter pattern and optimization assembly process, we fabricated the high brightness and uniform lighting FEL. The lighting area of FEL is 325×37 mm2. The FEL can be operated at DC voltage 6.56 KV with 2 mA current and the brightness is greater than 28000 Cd/m2. © 2010 SID.

关键词： Field emission

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P-100: A power-saving, high brightness and uniformity field emission planar lamp

P-100: A power-saving, high brightness and uniformity field ...

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48th Annual SID Symposium, Seminar, and Exhibition 2010, Display Week 2010

作者： Cheng, Ching-Hsuang Yu, Yung-Chih Yang, Tzung-Han Lo, Jason Mo, Chi-Neng Jeng, Jian-Min Shih, Wen-Ching Chang, Chih-Chieh Tsai, Woo-Hu FED R and D Division Tatung Company 22 Chungshan N. Rd. 3rd Sec. Taipei 104 Taiwan Central Research Institute Chunghwa Picture Tubes Ltd. 1127 Heping Rd. Bade City Taoyuan 334 Taiwan Graduate Program in Electro-Optical Engineering Tatung University 40 Chungshan N. Rd. 3rd Sec. Taipei 104 Taiwan

ISBN: (纸本)9781618390950

We successfully fabricated a power-saving, high brightness and uniformity field emission planar lamp (FEL) by simply screen printing process. In order to maximize the output brightness and reach a good lighting uniformity, we create an innoviative emitter pattern and optimize the FEL assembly process. By the innoviative spiral emitter pattern and optimization assembly process, we fabricated the high brightness and uniform lighting FEL. The lighting area of FEL is 325 x 37 mm2. The FEL can be operated at DC voltage 6.56 KV with 2 mA current and the brightness is greater than 28000 Cd/m2.

关键词： Field emission

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Progress in BazookaSPECT

Progress in BazookaSPECT

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Penetrating Radiation Systems and Applications X

作者： Miller, Brian W. Barber, H. Bradford Furenlid, Lars R. Moore, Stephen K. Barrett, Harrison H. College of Optical Sciences United States Department of Radiology Graduate Interdisciplinary Program In Biomedical Engineering University of Arizona Tucson AZ 85721 United States

ISBN: (纸本)9780819477408

Recent progress on a high-resolution, photon-counting gamma-ray and x-ray imager called BazookaSPECT is presented. BazookaSPECT is an example of a new class of scintillation detectors based on integrating detectors such as CCD(charge-coupled device) or CMOS(complementary metal-oxide semiconductor) sensors. BazookaSPECT is unique in that it makes use of a scintillator in close proximity to a microchannel plate-based image intensifier for up-front optical amplification of scintillation light. We discuss progress made in bringing about compact BazookaSPECT modules and in real-time processing of event data using graphics processing units (GPUs). These advances are being implemented in the design of a high-resolution rodent brain imager called FastSPECT III. A key benefit of up-front optical gain is that any CCD/CMOS sensor can now be utilized for photon counting. We discuss the benefits and feasibility of using CMOS sensors as photon-counting detectors for digital radiography, with application in mammography and computed tomography (CT). We present as an appendix a formal method for comparing various photon-counting integrating detectors using objective statistical criteria. © 2009 SPIE.

关键词： Graphics processing unit

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Enhancement of field emission property by modifying sprawling carbon nanotubes using ion bombardment technology

Enhancement of field emission property by modifying sprawlin...

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作者： Jeng, Jian-Min Huang, Chen-Pang Shih, Wen-Ching Lo, Jason Mo, Chi-Neng Chiang, Mei-Tsao Graduate Program in Electro-Optical Engineering Tatung University Chungshan North Road Taipei 104 Taiwan FED R and D Division Tatung Company Taiwan Chungshan North Road Taipei 104 Taiwan Central Research Institute Chunghwa Picture Tubes LTD. 1127 Heping Rd. Bade City Taoyuan 334 Taiwan

In this study we modified the sprawling carbon nanotubes (CNTs) from the well-aligned CNTs by ion bombardment technology. After CNTs growth, the samples are set into the plasma processing system. The field emission properties were improved after hydrogen ion bombardment. The optimal power is 60 W for emission application because of the appropriate outstanding CNTs density. The turn-on field could be decreased to 0.53 V/um.

关键词： Ion bombardment

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