P_02_1011:A Novel Pixel Circuit to Compensate for the Degradation of OLED Luminance in High-Resolution AMOLED Displays
|
|
- Sheila Morrison
- 5 years ago
- Views:
Transcription
1 P_0_1011:A Novel Pixel Circuit to Compensate for the Degradation of OLED Luminance in High-Resolution AMOLED Displays National Cheng Kung University Department of Electrical Engineering IDBA Lab. Advisor.. Chih-Lung Lin Presenter.. Chia-en Wu 1
2 Outline What s AMOLED The conventional T1C pixel circuit The OLED lifetime Parallel addressing scheme Related researches for AMOLED displays The proposed circuit.. 4TC Simulation results Conclusions
3 What s AMOLED? AMOLED (Active Matrix Organic Light Emitting Diode) Advantages flexible fast response time high contrast ratio wide viewing angle and low power consumption Disadvantages short product lifetime Samsung's 55" OLED TVs in SID 01 LG s 55 AMOLED HD TV in CES 01 3
4 Conventional Pixel Circuit V DD Circuit feature.. Simple structure High aperture ratio Disadvantages.. T T1 I OLED V TH variation Power line IR drop Non-uniform luminance I OLED K( V SG_ T1 V TH _ T1 ) K( V DD V DATA V TH _ T1 ) Ref1. Ref. H.P.Shieh, Y.H. Tai, JDT EDL 007, 004, pp. pp I-R Drop V TH variation 4
5 Emitting Efficiency (cd/a) Lifetime OLED lifetime Defined as the time for the luminance to decrease to half of is initial value. OLED degradation Threshold voltage increase Emitting efficiency decrease
6 Driving scheme for pixel circuit Parallel addressing scheme, proposed by Chaji et al. (007) Extend the time for V TH compensation Suitable for application in high-resolution or large-size displays G. R. Chaji, and A. Nathan, Parallel Addressing Scheme for Voltage-programmed Active-Matrix OLED Displays, IEEE Trans. Electron Devices, vol. 54, no. 5, pp , May (a)conventional and (b) parallel addressing schemes for voltage programming pixel circuit 6
7 Related researches for AMOLED displays 5T1C compensating pixel circuit of our prior work (007) C. L. Lin and Y. C. Chen, A novel LTPS-TFT pixel circuit compensating for TFT threshold-voltage shift and OLED degradation for AMOLED, IEEE Electron Device Lett., vol. 8, no., pp , Feb IOLED k ( VGS VTH _ DTFT ) 1 k ( VOLED _ 0 VOLED _1 VTH _ DTFT VDATA VOLED _1 VTH _ DTFT ) Characteristic: Luminance compensation 1 k ( VOLED _0 VDATA ) 7
8 Related researches for AMOLED displays 5T1C compensating pixel circuit of our prior work (007) C. L. Lin and Y. C. Chen, A novel LTPS-TFT pixel circuit compensating for TFT threshold-voltage shift and OLED degradation for AMOLED, IEEE Electron Device Lett., vol. 8, no., pp , Feb X X 1 IOLED k ( VGS VTH _ DTFT ) 1 k ( VOLED _ 0 VOLED _1 VTH _ DTFT VDATA VOLED _1 VTH _ DTFT ) Characteristic: Luminance compensation 1 k ( VOLED _0 VDATA ) 8
9 Pixel circuit for luminance compensation V DD C T T1 B A C1 SCAN1 T4 T3 SCAN SCAN3 (a) Characteristics:1. 4TC. Luminance compensation 3. Parallel addressing driving scheme 4. Available for application for high-resolution and large-size displays (b) Operating Principle:Three periods 1) Compensation period ) Data input period 3) Emission period 9
10 Pixel circuit for luminance compensation V DD C T1 B SCAN1 T4 T C1 A T3 V OLED_0 SCAN SCAN3 Compensation: A V OLED _0 B V V OLED _ 0 TH _ T 4 10
11 Pixel circuit for luminance compensation V DD C T T1 B C1 A SCAN1 T4 T3 SCAN SCAN3 Data Input: is applied to node A A V DATA C1 B VOLED _ 0 VTH _ T 4 ( VDATA VOLED _ 0) C1 C 11
12 Pixel circuit for luminance compensation V DD C T1 B SCAN1 T4 T C1 A T3 I OLED SCAN SCAN3 Emission: T1 is turned; V B becomes VDD C C A VDD VTH _ T 4 VDATA VOLED _ 0 C1 C C1 C B V DD 1
13 Pixel circuit for luminance compensation V DD C T1 B SCAN1 T4 T C1 A T3 I OLED SCAN SCAN3 Emission: 1 IOLED k ( VSG VTH _ T 4 ) 1 ( ) Negative value; Control the corresponding gray level Increase with OLED decay k VB VA VTH _ T 4 1 C C k( VDD VDD VTH _ T 4 VDATA VOLED _ 0 VTH _ T 4 ) C1 C C1 C 1 C k[ ( V DATA VOLED _0)] C1 C 13
14 Pixel circuit for luminance compensation Pixel information: V DD T1 C B C1 T A SCAN SCAN1 T4 T3 SCAN3 Design Parameter Value SCAN Signal (V) -10~15 VDD (V) 15 (V) -5 C1 (pf) 1.5 C (pf) ~ -5.4 (W/L) T1,T,T3 (μm) 5/5 (W/L) T4 (μm) 5/10 Threshold voltage (V) -1 Mobility (cm /Vs) 44 14
15 Circuit simulation C T1 V DD B SCAN1 T4 T A C1 T3 SCAN SCAN3 Voltages on node B with varying threshold voltages of driving TFT (ΔV TH = -0.5 V, 0 V, and 0.5 V) 15
16 Circuit simulation Current error rate in proposed 4TC pixel circuit resulting from threshold voltage variations (ΔV TH = -0.5 V and 0.5 V ) Transient waveforms of OLED current variations when the supply voltage is degraded to 1 V 16
17 Circuit simulation Normalized OLED current as a function of shift in threshold voltage of OLEDs 17
18 Conclusion V DD Characteristics: Advantages 1)TFT V TH compensation )IR drop compensation 3)Suitable for application in high-resolution displays 4)Luminance compensation *Detecting OLED aging phenomena T1 C B C1 T A SCAN SCAN1 T4 T3 SCAN3 Disadvantages 1)Leakage current )Unsuitable for application in 3D displays 18
19 Reference 1. Y. C. Lin, and H. P. Shieh, Improvement of Brightness Uniformity by AC Driving Scheme for AMOLED Display, IEEE Electron Device Lett., vol. 5, pp , November 004. H. Y. Lu, T. C. Chang, Y. H. Tai, P. T. Liu, and S. Chi A New Pixel Circuit Compensating for Brightness Variation in Large Size and High Resolution AMOLED Displays ", IEEE Journal of Display Technology, vol. 3, pp ,Dec C. L. Lin and T. T. Tsai, A novel voltage driving method using 3-TFT pixel circuit for AMOLED, IEEE Electron Device Lett., vol. 8, pp , Jun B. Y. Chung, D. W. Park, Y. S. Park, D. Y. Chou, K. Kim, B. H. Kim, and S. S. Kim, Driving Method for a D-3D Switchable AMOLED Display Using Progressive or Simultaneous Emission, SID Symposium Digest, pp.68-71, (011) 5. H. S. Park, H. J. In, K. H. Oh, and O. K. Kwon, Successive Cross Emission Driving for 3- Dimensional Active-Matrix Organic Light Emitting Diode Displays, SID Symposium Digest, pp , (011) 6. Y. I. Hwang, T. S. Park, K. N. Kim, B. H. Kim, B. H. Berkeley, S. S. Kim, and B. D. Choi, New Simple Pixel Circuits for Threshold Voltage and IR-Drop Compensation for AMOLED Displays, IDW Tech. Dig., pp , (010) 19
20 Thanks for your attention 0
New Pixel Circuit Compensating Poly-si TFT Threshold-voltage Shift for a Driving AMOLED
Journal of the Korean Physical Society, Vol. 56, No. 4, April 2010, pp. 1185 1189 New Pixel Circuit Compensating Poly-si TFT Threshold-voltage Shift for a Driving AMOLED C. L. Fan, Y. Y. Lin, B. S. Lin
More informationOverview of All Pixel Circuits for Active Matrix Organic Light Emitting Diode (AMOLED)
Chapter 2 Overview of All Pixel Circuits for Active Matrix Organic Light Emitting Diode (AMOLED) ---------------------------------------------------------------------------------------------------------------
More informationChapter 3 Evaluated Results of Conventional Pixel Circuit, Other Compensation Circuits and Proposed Pixel Circuits for Active Matrix Organic Light Emitting Diodes (AMOLEDs) -------------------------------------------------------------------------------------------------------
More informationDesign of Organic TFT Pixel Electrode Circuit for Active-Matrix OLED Displays
JOURNAL OF COMPUTERS, VOL. 3, NO. 3, MARCH 2008 1 Design of Organic TFT Pixel Electrode Circuit for Active-Matrix Displays Aram Shin, Sang Jun Hwang, Seung Woo Yu, and Man Young Sung 1) Semiconductor and
More informationORGANIC light-emitting diode (OLED) displays are
100 IEEE/OSA JOURNAL OF DISPLAY TECHNOLOGY, VOL. 1, NO. 1, SEPTEMBER 2005 A New Pixel Circuit for Driving Organic Light-Emitting Diode With Low Temperature Polycrystalline Silicon Thin-Film Transistors
More informationCOMPENSATION FOR THRESHOLD INSTABILITY OF THIN-FILM TRANSISTORS
COMPENSATION FOR THRESHOLD INSTABILITY OF THIN-FILM TRANSISTORS by Roberto W. Flores A Thesis Submitted to the Graduate Faculty of George Mason University in Partial Fulfillment of The Requirements for
More informationData Supply Voltage Reduction Scheme for Low-Power AMOLED Displays
Data Supply Voltage Reduction Sche for Low-Power AMOLED Displays Hyoungsik Nam and Hoon Jeong This paper donstrates a new driving sche that allows reducing the supply voltage of data drivers for lowpower
More informationA Luminance Adjusting Algorithm for High Resolution and High Image Quality AMOLED Displays of Mobile Phone Applications
H.-J. In et al.: A uminance Adjusting Algorithm for High Resolution and High Image Quality AMOED Displays of Mobile Phone Applications A uminance Adjusting Algorithm for High Resolution and High Image
More informationAM-OLED pixel circuits suitable for TFT array testing. Research Division Almaden - Austin - Beijing - Haifa - India - T. J. Watson - Tokyo - Zurich
RT0565 Engineering Technology 4 pages Research Report February 3, 2004 AM-OLED pixel circuits suitable for TFT array testing Y. Sakaguchi, D. Nakano IBM Research, Tokyo Research Laboratory IBM Japan, Ltd.
More informationfile://\\fileserver\ 함께갖다 \[[XI 논문 ]]\IDMC\2009\proceedings.htm
DMC009 file://\\fileserver\ 함께갖다 \[[X 논문 ]]\DMC\009\proceedings.htm 페이지 1 / 7 010-01- Welcome Acknowledgement Committees Chairperson Proceedings Author ndex Search Home PROCEEDNGS Keynote Speeches Wed-KN-01
More information3012 IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 57, NO. 11, NOVEMBER 2010
3012 IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 57, NO. 11, NOVEMBER 2010 An Advanced External Compensation System for Active Matrix Organic Light-Emitting Diode Displays With Poly-Si Thin-Film Transistor
More informationDesign of Active Matrix Micro-LED Display with CCCS Pixel Circuits
Design of Active Matrix Micro-LED Display with CCCS Pixel Circuits Ke ZHANG 1, 2, Zhaojun LIU* 1, 2 and Hoi-Sing KWOK* 1 1 State Key Laboratory on Advanced Displays and Optoelectronics Technologies, The
More informationComparative Analysis of Organic Thin Film Transistor Structures for Flexible E-Paper and AMOLED Displays
Comparative Analysis of Organic Thin Film Transistor Structures for Flexible E-Paper and AMOLED Displays Linrun Feng, Xiaoli Xu and Xiaojun Guo ECS Trans. 2011, Volume 37, Issue 1, Pages 105-112. doi:
More informationA novel TFT-OLED integration for OLED-independent pixel programming in amorphous-si AMOLED pixels
A novel TFT-OLED integration for OLED-independent pixel programming in amorphous-si AMOLED pixels Bahman Hekmatshoar Alex Z. Kattamis Kunigunde Cherenack Sigurd Wagner James C. Sturm Abstract The direct
More informationAn a-ingazno TFT Pixel Circuit Compensating Threshold Voltage and Mobility Variations in AMOLEDs
402 JOURNAL OF DISPLAY TECHNOLOGY, VOL. 10, NO. 5, MAY 2014 An a-ingazno TFT Pixel Circuit Compensating Threshold Voltage and Mobility Variations in AMOLEDs Yongchan Kim, Jerzy Kanicki, and Hojin Lee,
More informationAMOLED compensation circuit patent analysis
IHS Electronics & Media Key Patent Report AMOLED compensation circuit patent analysis AMOLED pixel driving circuit with threshold voltage and IR-drop compensation July 2013 ihs.com Ian Lim, Senior Analyst,
More informationALIQUID CRYSTAL display (LCD) has been gradually
178 JOURNAL OF DISPLAY TECHNOLOGY, VOL. 6, NO. 5, MAY 2010 Local Blinking HDR LCD Systems for Fast MPRT With High Brightness LCDs Lin-Yao Liao, Chih-Wei Chen, and Yi-Pai Huang Abstract A new impulse-type
More information(12) Patent Application Publication (10) Pub. No.: US 2005/ A1
(19) United States US 2005O285825A1 (12) Patent Application Publication (10) Pub. No.: US 2005/0285825A1 E0m et al. (43) Pub. Date: Dec. 29, 2005 (54) LIGHT EMITTING DISPLAY AND DRIVING (52) U.S. Cl....
More informationOLED-on-silicon chip with new pixel circuit
J. Cent. South Univ. (2012) 19: 1276 1282 DOI: 10.1007/s11771-012-1139-6 OLED-on-silicon chip with new pixel circuit LIU Yan-yan( 刘艳艳 ) 1,2, GENG Wei-dong( 耿卫东 ) 1,2, DAI Yong-ping( 代永平 ) 1,2 1. Tianjin
More informationReducing image sticking in AMOLED displays with time-ratio gray scale by analog calibration
Reducing image sticking in AMOLED displays with time-ratio gray scale by analog calibration Dong-Yong Shin (SID Student Member) Jong-Kwan Woo Yongtaek Hong (SID Member) Keum-Nam Kim Do-Ik Kim Myoung-Hwan
More informationDigital time-modulation pixel memory circuit in LTPS technology
Digital time-modulation pixel memory circuit in LTPS technology Szu-Han Chen Ming-Dou Ker Tzu-Ming Wang Abstract A digital time-modulation pixel memory circuit on glass substrate has been designed and
More informationPerformance Comparison of Bilayer and Multilayer OLED
Performance Comparison of Bilayer and Multilayer OLED Akanksha Uniyal, Poornima Mittal * Department of Electronics and Communication School of Engineering and Technology Graphic Era University, Dehradun-248002,
More informationAn Introduction to OLED/TFT Device Model and FPD Design Flow
An Introduction to OLED/TFT Device Model and FPD Design Flow Lifeng Wu, Huada Empyrean Software MOS-AK Beijing Compact Modeling Workshop,June 15-16, 2018 1 Outline LCD and OLED Flat Panel Display (FPD)
More informationACTIVE matrix organic light-emitting diode (AMOLED)
IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 59, NO. 4, APRIL 2012 1123 A New AMOLED Pixel Circuit With Pulsed Drive and Reverse Bias to Alleviate OLED Degradation Kuei-Yu Lee and Paul C.-P. Chao, Member,
More information(12) United States Patent
(12) United States Patent Sung USOO668058OB1 (10) Patent No.: US 6,680,580 B1 (45) Date of Patent: Jan. 20, 2004 (54) DRIVING CIRCUIT AND METHOD FOR LIGHT EMITTING DEVICE (75) Inventor: Chih-Feng Sung,
More informationEmiflective Display with Integration of Reflective Liquid Crystal Display and Organic Light Emitting Diode
Japanese Journal of Applied Physics Vol. 46, No. 1, 2007, pp. 182 186 #2007 The Japan Society of Applied Physics Emiflective Display with Integration of Reflective Liquid Crystal Display and Organic Light
More informationIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I: REGULAR PAPERS 1
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I: REGULAR PAPERS 1 Area-Efficient Time-Shared Digital-to-Analog Converter With Dual Sampling for AMOLED Column Driver IC s Tai-Ji An, Moon-Sang Hwang, Won-Jun
More informationChapter 1 Introduction --------------------------------------------------------------------------------------------------------------- 1.1 Overview of the Organic Light Emitting Diode (OLED) Displays Flat
More informationIEEE. Proof I. INTRODUCTION
368 JOURNAL OF DISPLAY TECHNOLOGY, VOL. 5, NO. 9, SEPTEMBER 2009 Design of Analog Output Buffer With Level Shifting Function on Glass Substrate for Panel Application Tzu-Ming Wang, Student Member,, Ming-Dou
More informationDisplay Technologies. Corning: The Technology Behind the Glass
Display Technologies Corning: The Technology Behind the Glass Dr. David Chen Director, Application Engineering and Asia Commercial Technology Taiwan Corning Display Technologies Taiwan June 13, 2008 Forward
More informationFLEX2017 June, Monterey, USA Dr Mike Cowin, CMO, SmartKem.
FLEX2017 June, Monterey, USA Dr Mike Cowin, CMO, SmartKem. FLEX2017 June, Monterey, USA Dr Mike Cowin, CMO, SmartKem. EU H2020 FLEXTRANs Grant Objectives A 24 month project (started September 2016) (Grant
More informationMonolithic CMOS Power Supply for OLED Display Driver / Controller IC
Monolithic CMOS Power Supply for OLED Display Driver / Controller IC Cheung Fai Lee SOLOMON Systech Limited Abstract This paper presents design considerations of a power supply IC to meet requirements
More information1. Publishable summary
1. Publishable summary 1.1. Project objectives. The target of the project is to develop a highly reliable high brightness conformable low cost scalable display for demanding applications such as their
More information(12) United States Patent
USOO8462O86B2 (12) United States Patent Takasugi et al. (10) Patent No.: (45) Date of Patent: US 8.462,086 B2 Jun. 11, 2013 (54) VOLTAGE COMPENSATION TYPE PIXEL CIRCUIT OF ACTIVE MATRIX ORGANIC LIGHT EMITTING
More informationORGANIC DISPLAYS and Driving Circuits
Advanced Course on ORGANIC ELECTRONICS Principles, devices and applications ORGANIC DISPLAYS and Driving Circuits Marco Sampietro WHY ORGANIC LED Display Brightness 100,000 cd/m 2 Efficiency >30 lm/w Low
More informationSINCE the first observations of the light emission in small
IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 52, NO. 6, JUNE 2005 1123 A Novel Current-Scaling a-si:h TFTs Pixel Electrode Circuit for AM-OLEDs Yen-Chung Lin, Member, IEEE, Han-Ping D. Shieh, Senior Member,
More informationIC Design of a New Decision Device for Analog Viterbi Decoder
IC Design of a New Decision Device for Analog Viterbi Decoder Wen-Ta Lee, Ming-Jlun Liu, Yuh-Shyan Hwang and Jiann-Jong Chen Institute of Computer and Communication, National Taipei University of Technology
More information(12) United States Patent
USOO7023408B2 (12) United States Patent Chen et al. (10) Patent No.: (45) Date of Patent: US 7,023.408 B2 Apr. 4, 2006 (54) (75) (73) (*) (21) (22) (65) (30) Foreign Application Priority Data Mar. 21,
More information(12) Patent Application Publication (10) Pub. No.: US 2010/ A1
(19) United States (12) Patent Application Publication (10) Pub. No.: US 2010/001381.6 A1 KWak US 20100013816A1 (43) Pub. Date: (54) PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME (76)
More informationSINCE more than two decades, Organic Light Emitting
1672 JOURNAL OF DISPLAY TECHNOLOGY, VOL. 12, NO. 12, DECEMBER 2016 Impact of Long-Term Stress on the Light Output of a WRGB AMOLED Display Frédérique Chesterman, Bastian Piepers, Tom Kimpe, Patrick De
More information8.1: Advancements and Outlook of High Performance Active-Matrix OLED Displays
8.1: Advancements and Outlook of High Performance Active-Matrix OLED Displays Takatoshi Tsujimura *, Wei Zhu, Seiichi Mizukoshi, Nobuyuki Mori, Koichi Miwa, Shinya Ono, Yuichi Maekawa, Kazuyoshi Kawabe,
More informationADDING AN O TO LEDS STATUS AND PERSPECTIVES OF ORGANIC LIGHT EMITTING DIODES PAWEL E. MALINOWSKI, TUNGHUEI KE LED EVENT 2017
ADDING AN O TO LEDS STATUS AND PERSPECTIVES OF ORGANIC LIGHT EMITTING DIODES PAWEL E. MALINOWSKI, TUNGHUEI KE LIVING ROOM NOT SO LONG AGO... 2 Source: Warner Bros. Incadescent CRT 3 Source: Warner Bros.
More informationComparative Study on Energy Efficient GUI in Smartphone Environment
Comparative Study on Energy Efficient GUI in Smartphone Environment S.Pandikumar 1, M.Sumathi 2 Asst. Professor, Department of Computer Science, Subbalakshmi Lakshmipathy College of Science, Madurai. India
More informationLM16X21A Dot Matrix LCD Unit
LCD Data Sheet FEATURES STC (Super Twisted igh Contrast) Yellow Green Transmissive Type Low Power Consumption Thin, Lightweight Design Permits Easy Installation in a Variety of Equipment General Purpose
More information1268 JOURNAL OF DISPLAY TECHNOLOGY, VOL. 12, NO. 11, NOVEMBER 2016
1268 JOURNAL OF DISPLAY TECHNOLOGY, VOL. 12, NO. 11, NOVEMBER 2016 Influence of Temperature on the Steady State and Transient Luminance of an OLED Display Frédérique Chesterman, Bastian Piepers, Tom Kimpe,
More informationA Modified Static Contention Free Single Phase Clocked Flip-flop Design for Low Power Applications
JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, VOL.8, NO.5, OCTOBER, 08 ISSN(Print) 598-657 https://doi.org/57/jsts.08.8.5.640 ISSN(Online) -4866 A Modified Static Contention Free Single Phase Clocked
More informationA Local Dimming Algorithm for Low Power LCD TVs Using Edge-type LED Backlight
054 IEEE Transactions on Consumer Electronics, Vol. 56, o. 4, ovember 0 A Local Dimming Algorithm for Low Power LCD TVs Using Edge-tpe LED Backlight Hunsuk Cho, Student ember, IEEE and Oh-Kong Kwon, ember,
More informationDm 200. (12) Patent Application Publication (10) Pub. No.: US 2007/ A1. (19) United States. User. (43) Pub. Date: Oct. 18, 2007.
(19) United States (12) Patent Application Publication (10) Pub. No.: US 2007/0242068 A1 Han et al. US 20070242068A1 (43) Pub. Date: (54) 2D/3D IMAGE DISPLAY DEVICE, ELECTRONIC IMAGING DISPLAY DEVICE,
More informationTipatOr. Liquid metal switch (LMS) display technology. Avi Fogel
TipatOr Liquid metal switch (LMS) display technology Avi Fogel 972-52-5702938 avifog@gmail.com Who is behind TipatOr TipatOr emerged from a merger of 2 expert groups in the fields of MEMS and Displays
More informationThe Technological Trends of Future AMOLED
Invited Paper The Technological Trends of Future AMOLED Jong hyuk Lee*, Hye Dong Kim, Chang Ho Lee, Hyun-Joong Chung, Sung Chul Kim, and Sang Soo Kim Technology Center, Samsung Mobile Display Co., LTD
More informationOrganic light-emitting diode (OLED) displays offer advantages
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I: REGULAR PAPERS, VOL. 55, NO. 5, JUNE 2008 1177 Comparison of Pentacene and Amorphous Silicon AMOLED Display Driver Circuits Vaibhav Vaidya, Student Member,
More informationFP 12.4: A CMOS Scheme for 0.5V Supply Voltage with Pico-Ampere Standby Current
FP 12.4: A CMOS Scheme for 0.5V Supply Voltage with Pico-Ampere Standby Current Hiroshi Kawaguchi, Ko-ichi Nose, Takayasu Sakurai University of Tokyo, Tokyo, Japan Recently, low-power requirements are
More informationResearch & Development of Surface-Discharge Color Plasma Display Technologies. Tsutae Shinoda
esearch & Development of Surface-Discharge Color Plasma Display Technologies Tsutae Shinoda Peripheral System Laboratories,Fujitsu Laboratories Ltd. 64, Nishiwaki, Ohkubo-cho, Akashi 674-8555 Japan Abstract
More informationOutline Dimension. View Angle
320 x 234 Pixels LCD Color Monitor The is a compact full color TFT LCD module, whose driving board is capable of converting composite video signals to the proper interface of LCD panel and is suitable
More informationInterframe Bus Encoding Technique for Low Power Video Compression
Interframe Bus Encoding Technique for Low Power Video Compression Asral Bahari, Tughrul Arslan and Ahmet T. Erdogan School of Engineering and Electronics, University of Edinburgh United Kingdom Email:
More informationA NOVEL METHOD FOR TESTING LCD BY INTEGRATING SHORTING BAR AND TAGUCHI DOE TECHNOLOGIES
This article has been peer reviewed and accepted for publication in JMST but has not yet been copyediting, typesetting, pagination and proofreading process. Please note that the publication version of
More informationAn Overview of OLED Display Technology
page:1 An Overview of OLED Display Technology Homer Antoniadis OSRAM Opto Semiconductors Inc. San Jose, CA page:2 Outline! OLED device structure and operation! OLED materials (polymers and small molecules)!
More information(12) Patent Application Publication (10) Pub. No.: US 2015/ A1
(19) United States US 20150379938A1 (12) Patent Application Publication (10) Pub. No.: US 2015/0379938A1 (21) (22) (60) (51) Choi et al. (43) Pub. Date: Dec. 31, 2015 (54) ORGANIC LIGHT-EMITTING DIODE
More informationDIFFERENTIAL CONDITIONAL CAPTURING FLIP-FLOP TECHNIQUE USED FOR LOW POWER CONSUMPTION IN CLOCKING SCHEME
DIFFERENTIAL CONDITIONAL CAPTURING FLIP-FLOP TECHNIQUE USED FOR LOW POWER CONSUMPTION IN CLOCKING SCHEME Mr.N.Vetriselvan, Assistant Professor, Dhirajlal Gandhi College of Technology Mr.P.N.Palanisamy,
More informationDesign on AM-OLED display control ASIC with high gray scale levels
J Shanghai Univ (Engl Ed), 2011, 15(4): 310 315 Digital Object Identifier(DOI): 10.1007/s11741-011-0742-3 Design on AM-OLED display control ASIC with high gray scale levels JI Yuan ( ) 1, RAN Feng (º ô)
More informationSep 09, APPLICATION NOTE 1193 Electronic Displays Comparison
Sep 09, 2002 APPLICATION NOTE 1193 Electronic s Comparison Abstract: This note compares advantages and disadvantages of Cathode Ray Tubes, Electro-Luminescent, Flip- Dot, Incandescent Light Bulbs, Liquid
More informationSelective Intra Prediction Mode Decision for H.264/AVC Encoders
Selective Intra Prediction Mode Decision for H.264/AVC Encoders Jun Sung Park, and Hyo Jung Song Abstract H.264/AVC offers a considerably higher improvement in coding efficiency compared to other compression
More information(12) Patent Application Publication (10) Pub. No.: US 2003/ A1
(19) United States US 2003.01.07565A1 (12) Patent Application Publication (10) Pub. No.: US 2003/0107565A1 Libsch et al. (43) Pub. Date: Jun. 12, 2003 (54) ACTIVE MATRIX OLED VOLTAGE DRIVE PXEL CIRCUIT
More informationV DD1 V CC - V GL Operating Temperature T OP
Product specifications contained herein may be changed without prior notice. It is therefore advisable to contact Purdy Electronics before proceeding with the design of equipment incorporating this product.
More informationDisplays AND-TFT-5PA PRELIMINARY. 320 x 234 Pixels LCD Color Monitor. Features
PRELIMINARY 320 x 234 Pixels LCD Color Monitor The is a compact full color TFT LCD module, whose driving board is capable of converting composite video signals to the proper interface of LCD panel and
More informationThe preferred display color temperature (Non-transparent vs. Transparent Display)
The preferred display color temperature (Non-transparent vs. Transparent Display) Hyeyoung Ha a, Sooyeon Lee a, Youngshin Kwak* a, Hyosun Kim b, Young-jun Seo b, Byungchoon Yang b a Department of Human
More informationAND-TFT-25XS-LED-KIT. 160 x 234 Pixels LCD Color Monitor AND-TFT-25XS-LED-KIT. Features
AND-TFT-25XS-LED-KIT 160 x 234 Pixels LCD Color Monitor The AND-TFT-25XS-LED-KIT is a compact full color TFT LCD module, that is suitable for applications such as a camcorder, digital camera application
More informationVARIOUS DISPLAY TECHNOLOGIESS
VARIOUS DISPLAY TECHNOLOGIESS Mr. Virat C. Gandhi 1 1 Computer Department, C. U. Shah Technical Institute of Diploma Studies Abstract A lot has been invented from the past till now in regards with the
More informationHigh-resolution screens have become a mainstay on modern smartphones. Initial. Displays 3.1 LCD
3 Displays Figure 3.1. The University of Texas at Austin s Stallion Tiled Display, made up of 75 Dell 3007WPF LCDs with a total resolution of 307 megapixels (38400 8000 pixels) High-resolution screens
More informationOLED Display & OLED Lighting: Technology Trends & Market Forecast. Jennifer Colegrove, Ph.D. VP, Emerging Display Technologies, NPD DisplaySearch
OLED Display & OLED Lighting: Technology Trends & Market Forecast Jennifer Colegrove, Ph.D. VP, Emerging Display Technologies, NPD DisplaySearch 2 Outline OLED Display Technology and Market Forecast» New
More informationOrganic light emitting diodes for display technology
Organic light emitting diodes for display technology Shamna Shamsudeen MScTI - ZITI-Heidelberg University OLED ZITI, Uni Heidelberg Page1 What s Light Light: Visible part of EM spectra. Ref:[1] Thermoluminescence:
More informationDIRECT-VIEW backlight (BL) is especially useful for
128 JOURNAL OF DISPLAY TECHNOLOGY, VOL. 6, NO. 4, APRIL 2010 A Direct-View Backlight With UV Excited Trichromatic Phosphor Conversion Film Hsin-Tao Huang, Chuang-Chuang Tsai, and Yi-Pai Huang Abstract
More informationHEBS: Histogram Equalization for Backlight Scaling
HEBS: Histogram Equalization for Backlight Scaling Ali Iranli, Hanif Fatemi, Massoud Pedram University of Southern California Los Angeles CA March 2005 Motivation 10% 1% 11% 12% 12% 12% 6% 35% 1% 3% 16%
More informationHigh Power Efficiencies at Record Lifetimes: NOVALED s PIN-OLEDs
High Power Efficiencies at Record Lifetimes: NOVALED s PIN-OLEDs Harald Gross, Jan Blochwitz-Nimoth, Jan Birnstock, Ansgar Werner, Michael Hofmann, Philipp Wellmann, Tilmann Romainczyk, Sven Murano, Andrea
More information(12) United States Patent (10) Patent No.: US 8,803,770 B2. Jeong et al. (45) Date of Patent: Aug. 12, 2014
US00880377OB2 (12) United States Patent () Patent No.: Jeong et al. (45) Date of Patent: Aug. 12, 2014 (54) PIXEL AND AN ORGANIC LIGHT EMITTING 20, 001381.6 A1 1/20 Kwak... 345,211 DISPLAY DEVICE USING
More informationFinFETs & SRAM Design
FinFETs & SRAM Design Raymond Leung VP Engineering, Embedded Memories April 19, 2013 Synopsys 2013 1 Agenda FinFET the Device SRAM Design with FinFETs Reliability in FinFETs Summary Synopsys 2013 2 How
More informationPhosphorescent OLED Technologies: The Next Wave. Plastic Electronics Conference Oct 9, 2012
Phosphorescent OLED Technologies: The Next Wave Plastic Electronics Conference Oct 9, 2012 UDC Company Focus IP innovator, technology developer, patent licensor and materials supplier for the rapidly growing
More informationFully Static and Compressed Topology Using Power Saving in Digital circuits for Reduced Transistor Flip flop
Fully Static and Compressed Topology Using Power Saving in Digital circuits for Reduced Transistor Flip flop 1 S.Mounika & 2 P.Dhaneef Kumar 1 M.Tech, VLSIES, GVIC college, Madanapalli, mounikarani3333@gmail.com
More informationORGANIC DISPLAYS and Driving Circuits
Advanced Course on ORGANIC ELECTRONICS Principles, devices and applications ORGANIC DISPLAYS and Driving Circuits Marco Sampietro WHY ORGANIC LED Display Brightness 100,000 cd/m 2 Efficiency >30 lm/w Low
More informationChapter 2 Circuits and Drives for Liquid Crystal Devices
Chapter 2 Circuits and Drives for Liquid Crystal Devices Hideaki Kawakami 2.1 Circuits and Drive Methods: Multiplexing and Matrix Addressing Technologies Hideaki Kawakami 2.1.1 Introduction The liquid
More informationThis talk covers currently available display technology.
Introduction to Current Display Technologies for Medical Image Viewing Perspectives for the TG270 Update on Display Quality Control Alisa Walz-Flannigan, PhD (DABR) Mayo Clinic, Rochester, Minnesota AAPM
More informationColor Breakup Suppression in Field-Sequential Five-Primary-Color LCDs Hui-Chuan Cheng, Linghui Rao, and Shin-Tson Wu, Fellow, IEEE
JOURNAL OF DISPLAY TECHNOLOGY, VOL. 6, NO. 6, JUNE 2010 229 Color Breakup Suppression in Field-Sequential Five-Primary-Color LCDs Hui-Chuan Cheng, Linghui Rao, and Shin-Tson Wu, Fellow, IEEE Abstract Field-sequential-color
More informationID C10C: Flat Panel Display Basics
ID C10C: Flat Panel Display Basics Renesas Electronics America Inc. Robert Dunhouse, Display BU Engineering Manager 12 October 2010 Revision 1.1 Robert F. Dunhouse, Jr. Displays Applications Engineering
More informationOrganic LEDs. Yuhan Ye Apr. 26
Organic LEDs Yuhan Ye Apr. 26 Special topic presentation for C150 4/26/2018 1 Outline Brief introduction and advantages of OLED Working principles Examples for different kinds of OLEDs and processing methods
More informationMobile Phone Camera-Based Indoor Visible Light Communications With Rotation Compensation
Mobile Phone Camera-Based Indoor Visible Light Communications With Rotation Compensation Volume 8, Number 2, April 2016 Willy Anugrah Cahyadi Yong Hyeon Kim Yeon Ho Chung, Member, IEEE Chang-Jun Ahn, Senior
More informationImplementation of delta sigma analog-to-digital converter in LTPS process
Implementation of delta sigma analog-to-digital converter in LTPS process Chia-Chi Tsai Tzu-Ming Wang (SID Student Member) Ming-Dou Ker Abstract An on-panel delta sigma analog-to-digital converter (ADC)
More informationSamsung Semiconductor, Inc. Power Green Lunch
Samsung Semiconductor, Inc. Power Green Lunch March 26, 2009 Tomorrow s Magic Window Is Here Leading Green LCD VIDification Scott Birnbaum Vice President, Samsung LCD Division, Samsung Semiconductor, Inc.
More informationDESIGN AND OPTIMIZATION OF LARGE-AREA OLEDS
DESIGN AND OPTIMIZATION OF LARGE-AREA OLEDS BY ELECTRO-THERMAL MODELING S. Altazin 1, R. Hiestand 1, C. Kirsch 2, M. Diethelm 1,2, L. Penninck 1, M. A. Maindin 1, M. Fontenlos 1, B. Ruhstaller 1,2* beat.ruhstaller@zhaw.ch
More informationDisplays. AND-TFT-7PA-WV 1440 x 234 Pixels LCD Color Monitor. Features
1440 x 234 Pixels LCD Color Monitor The is a compact full color TFT LCD module, whose driving board is capable of converting composite video signals to the proper interface of LCD panel and is suitable
More informationAdvanced Amorphous Silicon Thin Film Transistor Active- Matrix Organic Light-Emitting Displays Design for Medical Imaging
Advanced Amorphous Silicon Thin Film Transistor Active- Matrix Organic Light-Emitting Displays Design for Medical Imaging Joo-Han Kim and Jerzy Kanicki Solid-State Electronics Laboratory, Department of
More informationDesign of a High Frequency Dual Modulus Prescaler using Efficient TSPC Flip Flop using 180nm Technology
Design of a High Frequency Dual Modulus Prescaler using Efficient TSPC Flip Flop using 180nm Technology Divya shree.m 1, H. Venkatesh kumar 2 PG Student, Dept. of ECE, Nagarjuna College of Engineering
More informationFundamentals of Organic Light Emitting Diode
Fundamentals of Organic Light Emitting Diode M. F. Rahman* 1 and M. Moniruzzaman 2 Organic light emitting diode (OLED) has drawn tremendous attention in optoelectronic industry over the last few years.
More information:: Reduce needs for heat dissipation components. :: Extend battery life in mobile products. :: Save power and reduce heat generation in TVs
UniversalPHOLED Technology and Materials UniversalPHOLED Phosphorescent OLED technology and materials offer record-breaking performance to bring competitive advantages to your OLED display and lighting
More information(12) Patent Application Publication (10) Pub. No.: US 2011/ A1
(19) United States (12) Patent Application Publication (10) Pub. No.: US 2011/0084992 A1 Ishizuka US 20110084992A1 (43) Pub. Date: Apr. 14, 2011 (54) (75) (73) (21) (22) (86) ACTIVE MATRIX DISPLAY APPARATUS
More informationOrganic Light Emitting Diodes
ISSN: 2278 0211 (Online) Organic Light Emitting Diodes Badisa Sai Ram Krsihna Final Year B.Tech, Dept. of ECE, KL University, Vaddeswaram, AP, India Angadi Suresh Associate Professor B.Tech, Dept. of ECE,
More information(12) United States Patent (10) Patent No.: US 8,736,525 B2
US008736525B2 (12) United States Patent (10) Patent No.: Kawabe (45) Date of Patent: *May 27, 2014 (54) DISPLAY DEVICE USING CAPACITOR USPC... 345/76 82 COUPLED LIGHTEMISSION CONTROL See application file
More informationHigh luminance hybrid light guide plate for backlight module application
High luminance hybrid light guide plate for backlight module application Jui-Wen Pan 1,2, *, Chen-Wei Fan 1 1 Institute of Photonic System, National Chiao Tung University, Tainan City 71150, Taiwan 2 Biomedical
More information(12) Patent Application Publication (10) Pub. No.: US 2016/ A1
(19) United States US 2016O141348A1 (12) Patent Application Publication (10) Pub. No.: US 2016/0141348 A1 Lin et al. (43) Pub. Date: May 19, 2016 (54) ORGANIC LIGHT-EMITTING DIODE (52) U.S. Cl. DISPLAY
More informationORGANIC LIGHT EMITTING DIODES (OLEDS): TECHNOLOGIES AND GLOBAL MARKETS
ORGANIC LIGHT EMITTING DIODES (OLEDS): TECHNOLOGIES AND GLOBAL MARKETS SMC069D September 2015 Gupta A. S. Project Analyst ISBN: 1-62296-133-1 BCC Research 49 Walnut Park, Building 2 Wellesley, MA 02481
More informationAND-TFT-64PA-DHB 960 x 234 Pixels LCD Color Monitor
960 x 234 Pixels LCD Color Monitor The AND-TFT-64PA-DHB is a compact full color TFT LCD module, that is suitable for applications such as a car TV, portable DCD, GPS, multimedia applications and other
More information