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Active Matrix Liquid Crystal Displays : Fundamentals and Applications - Willem den Boer

Active Matrix Liquid Crystal Displays

Fundamentals and Applications

Paperback Published: 1st August 2005
ISBN: 9780750678131
Number Of Pages: 239

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Active matrix liquid crystal displays (AMLCDs) are the preferred choice when thin, low power, high quality, and lightweight flat panel displays are required. Here is the definitive guide to the theory and applications of AMLCDs.
Contemporary portable communication and computing devices need high image quality, light weight, thin, and low power flat panel displays. The answer to this need is the color active matrix liquid crystal display (AMLCD). The rides of AMLCD technology over less than two decades to undisputed dominance as a flat panel display has been breathtaking, and designers of portable devices need a thorough understanding of the theory and applications of AMLCDs. Willem den Boer, a holder of over 30 patents in imaging technologies, has created this guide to AMLCD theory, operating principles, addressing methods, driver circuits, application circuits, and alternate flat display technologies (including active matrix flat panel image sensors). Numerous design and applications examples illustrate key points and make them relevant to real-world engineering tasks.
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-Systematically discusses the principles of liquid crystal displays and active matrix addressing.
-Describes methods of enhancing AMLCD image quality.
-Extensive coverage of AMLCD manufacturing techniques.
-Thorough examination of performance characteristics and specifications of AMLCDs.

Prefacep. xi
Introductionp. 1
Historical Perspectivep. 1
Liquid Crystal Propertiesp. 7
Polarization, Dichroism, and Birefringencep. 11
The Twisted Nematic Cellp. 14
Limitations of Passive Matrix Addressingp. 17
Referencesp. 21
Operating Principles of Active Matrix LCDsp. 23
The Case for Active Matrixp. 23
Requirements for Active Matrix Switching Devicesp. 24
The Thin Film Transistorp. 29
Thin Film Silicon Propertiesp. 32
Amorphous Silicon TFTsp. 34
Poly-Silicon TFTsp. 36
Basic Pixel Circuit and Addressing Methodsp. 39
Diode-Based Displaysp. 43
Plasma-Addressed LCDsp. 47
Referencesp. 48
Manufacturing of AMLCDsp. 49
Basic Structure of AMLCDsp. 49
Thin Film Processingp. 50
Thin Film Propertiesp. 61
Amorphous Silicon TFT Array Processesp. 65
Poly-Si TFT Array Processesp. 69
Color Filter Array Processp. 73
LC Cell Assemblyp. 74
Module Assemblyp. 77
Yield Improvements and Considerationsp. 79
Trends in Manufacturingp. 83
AMLCD Electronicsp. 87
Drive Methodsp. 87
Row Select and Column Data Driversp. 93
Timing Controllers, Display Controllers, and Interfacesp. 99
Integration of Electronics on Glassp. 102
Backlightsp. 105
Power Consumptionp. 109
Referencesp. 110
Performance Characteristicsp. 113
Basics of Photometry and Colorimetryp. 113
Brightness and Contrast Ratiop. 117
Viewing Angle Behaviorp. 121
Color and Gray Scale Performancep. 123
Response Time and Flickerp. 129
Resolution and Sizep. 131
Image Artifactsp. 134
Referencesp. 137
Improvement of Image Quality in AMLCDsp. 139
Brightness Improvementsp. 139
Increased Color Filter Transmissionp. 140
High-Aperture Ratio Designsp. 140
Alternative Color Filter Arrangementsp. 144
Brightness Enhancement Filmsp. 145
Readability Under High Ambient Lighting Conditionsp. 146
Color Gamut Improvementsp. 149
Wide Viewing Angle Technologiesp. 150
Compensation Filmsp. 151
In-Plane-Switching Modep. 152
Vertical Alignmentp. 157
A Comparison and Other Viewing Angle Improvement Methodsp. 162
Enhancement of Video Performancep. 166
Response Time Compensationp. 167
Emulation of an Impulse-Type Displayp. 169
Large Sizep. 172
Referencesp. 176
Special AMLCD Configurationsp. 179
Ultra-High-Resolution Monitors and Improved Gray Scalep. 179
Reflective and Transflective Displaysp. 182
Field-Sequential Color LCDsp. 185
Stereoscopic AMLCDsp. 187
Touch Screen Technologiesp. 190
Referencesp. 196
Alternative Flat Panel Display Technologiesp. 197
Plasma Displaysp. 199
Electroluminescent Displaysp. 201
TFEL Displaysp. 202
Organic LED Displaysp. 203
Passive Matrix Organic LED Displaysp. 205
Active Matrix Organic LED Displaysp. 206
Electronic Paper and Flexible Displaysp. 209
Organic Thin Film Transistorsp. 213
Front and Rear Projection Displaysp. 214
Referencesp. 221
Active Matrix Flat Panel Image Sensorsp. 223
Flat Panel Image Sensorsp. 223
Direct Conversion Detectorsp. 225
Indirect Conversion Detectorsp. 228
Applications of Flat Panel X-Ray Sensorsp. 233
Referencesp. 234
Indexp. 235
Table of Contents provided by Ingram. All Rights Reserved.

ISBN: 9780750678131
ISBN-10: 0750678135
Audience: General
Format: Paperback
Language: English
Number Of Pages: 239
Published: 1st August 2005
Country of Publication: NL
Dimensions (cm): 23.52 x 19.15  x 1.35
Weight (kg): 0.45