Study of drop on demand inkjet printing technology with application to organic light emitting diodes

... Inkjet Printing Drop Ejection Parameters A.1 VI Summary SUMMARY This thesis aims to further investigate the application of drop- on- demand (DoD) inkjet printing technology in the fabrication of ... Discussion 118 4.3.1 ITO Surface Patterning 118 4.3.2 Drop- on- Demand Inkjet Printing of PEDOT:PSS 119 4.3.3 Characterization of P-OLED Devices 127 4.4 Conclusion 135 CHAPTER CHARACTERIZATION OF SINGLE ... drying behavior of inkjet printed conductive polymer drops Chapter Introduction on the hydrophilic substrate To conduct shape representation and mapping of dried droplet profiles with drying temperature...

Drop on demand inkjet printing technology with applications to polymer light emitting diodes

... DROP- ON- DEMAND INKJET PRINTING TECHNOLOGY WITH APPLICATIONS TO POLYMER LIGHT- EMITTING DIODES NG YUAN SONG (B.Eng (Hons.)), NUS A THESIS SUBMITTED FOR THE ... Drop- on- Demand modes of operation Inkjet Printing Technology Binary Deflection Continuous Inkjet Printing (C-IJP) Drop- on- Demand Inkjet Printing (DoD-IJP) Multiple Deflection Microdot Thermal DoD-IJP ... second type of LEDs, which is known as Polymer Light Emitting Diodes (PLEDs) The conjugated polymer light- emitting materials came to be known as Light Emitting Polymer (LEP) Although this technology...

The generation and experimental study of microscale droplets in drop on demand inkjet printing

... categories of inkjet printing technology: Continuous inkjet printing and Drop- on- Demand inkjet printing 10 of 176 Chapter 2: Literature Review Fig 2.1: Layout of the different inkjet printing technologies ... resolution printing Another ongoing measurement of the resolution of inkjet printing is to use drop pitch in favor of metrication Drop pitch gives the spacing between the two adjacent printing dots, ... Finally, since ink recirculation is avoided, thus ink contamination can be eliminated Currently the majority of interest in inkjet printing is in the DOD methods The main disadvantage of DOD inkjet...

Báo cáo hóa học: " Effect of triplet multiple quantum well structures on the performance of blue phosphorescent organic light emitting diodes" potx

... Effect of triplet multiple quantum well structures on the performance of blue phosphorescent organic light- emitting diodes Seokjae Lee†1, Jaryong Koo†1, Gunwoo Hyung†1, Donghwan Lim1, Donghyung ... the other devices due to a relatively narrow emissive region Conclusions In conclusion, the present study reports on the high efficiency blue PHOLEDs based on a carrier and triplet exciton confinement ... rate of 10 Å/s The deposition rates were controlled with a quartz crystal monitor, and the doping concentrations of the emitters were optimized After the organic and metal depositions, the devices...

Báo cáo hóa học: " Research Article A Study of Residue Correlation within Protein Sequences and Its Application to Sequence Classiﬁcation" pptx

... our study, we used two diﬀerent alphabets: a set of 20 amino acids residues, A , and a hydropathy-based alphabet, ΣH , derived from grammar complexity and syntactic structure of protein sequences ... MIV j (A) and MIVk (B), can be concatenated to form MIV j+k (C) ANALYSIS OF CORRELATION IN PROTEIN SEQUENCES In [1], Weiss states that protein sequences can be regarded as slightly edited random ... rather than to reach a speciﬁc classiﬁcation accuracy We used the Pfam -A dataset to carry out this comparison The families contained in the Pfam database vary in sequence count and sequence length...

Báo cáo hóa học: " Electrospray deposition of polymer thin films for organic light-emitting diodes" pot

... Electrospray deposition of polymer thin films for organic light-emitting diodes Wontae Hwang1, Guoqing Xin1, Minjun Cho1, Sung Min Cho1, and Heeyeop Chae*2 School of Chemical Engineering, ... Abstract Electrospray process was developed for organic layer deposition onto polymer organic light-emitting diode [PLED] devices in this work An electrospray can be used to produce nanometer-scale thin ... applicability of the electrospray process to organic thin films in OLEDs was demonstrated in small-scale devices [12] In this work, we demonstrated nanoscale-thick organic thin films using the electrospray...

Báo cáo hóa học: " The origin of the red emission in n-ZnO nanotubes/p-GaN white light emitting diodes" pdf

... below the conduction band are denoted to be contributing to the red emission In summary, the origin of red emission in chemically obtained ZnO nanotubes has been investigated by EL spectra The ... (1.65 eV) The EL intensities of the green, yellow, orange, and the red emission (from 620 to 690 nm) are decreased, but the EL intensity of the red emission Page of (from 690 to 750 nm) has increased ... orange -red emission is attributed to oxygen interstitials Oi [22], the annealing in oxygen ambient increases the amount of oxygen-related O i defects; therefore, the orange -red emission dominates the...

Báo cáo hóa học: " Modiﬁcation of Conductive Polymer for Polymeric Anodes of Flexible Organic Light-Emitting Diodes" pdf

... a C(1s), O(1s) spectra at normal take-off angle of 458, b S(2p) spectra at normal take-off angle of 458, and c S(2p) spectra at a smaller take-off angle of 25° 123 400 Luminous intensity (µW/cm2) ... in conductivity was achieved with the modiﬁcation process Based on the modiﬁed polymeric anodes, FOLEDs were fabricated and compared with the FOLEDs of ITO anodes A lower turn voltage and higher ... alcohol, each for 10 min, respectively The substrates were then dried in a vacuum oven for 12 h at 60 °C At last, the substrates were treated by mild O2 plasma for Modiﬁcation of PEDOT:PSS DMSO,...

Investigation of Mg doping profile in the pcladding layer for highbrightness AlGaInPbased light emitting diodes.

... having different Mg doping proﬁles in the p-cladding layer The layer As the [Cp2 Mg] /[III] value in the “b” zone was inset in (b) shows the relative increase of brightness for the same LEDs increased ... having different Mg doping proﬁles in the p-cladding layer Table I Detailed Mg doping proﬁles for “a,” “b,” and “c” zones in the p-cladding layer of LED structures Mg Doping proﬁle at p-cladding ... rate of about teristics of LEDs having different Mg doping levels in the 1.5 m/h The multi-quantum well (MQW) structures for “b” zone In addition, the relative increase of Pout (RIP) of emitting...

Development and characterization of multi material printing of the drop on demand (dod) system

... DEVELOPMENT AND CHARACTERIZATION OF MULTI- MATERIAL PRINTING OF THE DROP- ON- DEMAND (DOD) SYSTEM NG JINHHAO (B.Eng (Hons.)), NUS A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... and fabricated to meet the requirements of these new applications Drop- on- Demand (DOD) inkjet printing is thought to be one of the promising methods due to the precise delivered drop volume and ... 2.2 Various DOD System and Their Applications There are two primary methods of inkjet printing: continuous inkjet and drop- on- demand (DOD) inkjet printing The DOD-IJP can be further subdivided...

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Deposition of functional biomedical coating via drop on demand micro dispensing technique

... DEPOSITION OF FUNCTIONAL BIOMEDICAL COATING VIA DROP- ON- DEMAND MICRO- DISPENSING TECHNIQUE CHANG LEI (B.Eng., Northeastern University, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... characterization of functionally-graded nano-hydroxyapatite/titania bioactive coating via dropon -demand technique Proceedings of the International Symposium on Nanoscience and Technology, (2011) 14-17 Conference ... 2.4.3 Ion Beam Assisted Deposition 57 2.4.4 Sol-Gel Deposition 58 2.4.5 Comparison of Current Coating Techniques for Calcium Phosphate Coatings 59 2.4.6 Proposed Drop- on- Demand...

Development of a graphic user interface based on OpenGL for a drop on demand micro bio fabrication system

... DEVELOPMENT OF A GRAPHIC USER INTERFACE BASED ON OPENGL FOR A DROP -ON- DEMAND MICRO/ BIO FABRICATION SYSTEM CHEN JUEXUAN (Ms.) (B.Eng.), HUST A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... additional functions for the GUI, simulation and monitoring based on OpenGL As a common graphic interface developed by SGI [23], OpenGL allows the advanced graphical output and utilizes Its interface ... printers, and household appliances In contrast to typed command labels, text -based interfaces or text navigation, a GUI has established a model containing the information and actions, and also supplied...

Báo cáo y học: "An open pilot study of zonisamide augmentation in major depressive patients not responding to a low dose trial with duloxetine: preliminary results on tolerability and clinical effects" ppsx

... article as: Fornaro et al.: An open pilot study of zonisamide augmentation in major depressive patients not responding to a low dose trial with duloxetine: preliminary results on tolerability ... at low dose (60 mg/day) Methods Study design This was a preliminary 24 week open trial designed to assess the efficacy and tolerability of zonisamide 75 mg/ Page of day augmentation for MDD patients ... receiving zonisamide augmentation ASEX = Arizona Sexual Experience Scale; HAM -A = Hamilton Anxiety Scale; HAM-D = Hamilton Depression Scale; YMRS = Young Mania Rating Scale Fornaro et al Annals of...

Báo cáo y học: "Costs of relaparotomy on-demand versus planned relaparotomy in patients with severe peritonitis: an economic evaluation within a randomized controlled trial" docx

... article as: Opmeer et al.: Costs of relaparotomy on-demand versus planned relaparotomy in patients with severe peritonitis: an economic evaluation within a randomized controlled trial Critical ... Page of 11 Table Summary of sensitivity analyses: mean total costs and estimated absolute and relative differences between relaparotomy on demand and planned relaparotomy across alternative assumptions ... randomized controlled multicenter trial comparing an on-demand relaparotomy strategy with a planned -relaparotomy strategy in patients with severe peritonitis Details about the design, conduct, and major...

Study on extraction, conversion of hydroxycitric acid from leaves and fruit rinds of Garcinia oblongifolia Champ.ex Benth and its application to produce weight-loss products

... subject Study on extraction, conversion of hydroxycitric acid from leaves and fruit rinds of Garcinia oblongifolia Champ Ex Benth (G oblongifolia) and its application to produce weight-loss products ... ORGANIC ACID FROM LEAVES, FRUIT RINDS OF GARCINIA OBLONGIFOLIA CHAMP EX BENTH 3.2.1 Process of extracting organic acids from leaves and fruit rinds of G oblongifolia 3.2.2 Determining the total ... amount of organic acid and organic acids in extracts from leaves and rinds separately HCA was the main organic acid found in leaves and fruit rinds of G oblongifolia The amount of HCA from rinds of...

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