Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Zener Diodes01:16

Zener Diodes

1.2K
Zener diodes are specialized semiconductor devices designed to operate in the reverse breakdown region, where they allow current to flow into the cathode, making it positive relative to the anode. This reverse operation distinguishes Zener diodes from conventional diodes and enables their use in various applications, most notably as voltage regulators. One of the defining characteristics of Zener diodes is their nearly vertical I-V (current-voltage) characteristic curve above a certain...
1.2K
Accessory Organs01:31

Accessory Organs

74.2K
Accessory organs are those that participate in the digestion of food but do not come into direct contact with it like the mouth, stomach, or intestine do. Accessory organs secrete enzymes into the digestive tract to facilitate the breakdown of food.
74.2K
Development of the Sexual Organs in the Embryo and Fetus01:15

Development of the Sexual Organs in the Embryo and Fetus

3.6K
Development of the reproductive organs in an embryo starts from a bipotential state. This means the early embryo can develop either male or female reproductive organs. The formation of these organs begins with the growth of gonadal ridges that arise from the intermediate mesoderm during the fifth week of development.
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the...
3.6K
The Ideal Diode01:15

The Ideal Diode

2.2K
A diode is a semiconductor device that allows current to flow in one direction only, making it a crucial component in electronic circuits for controlling the direction of current flow. An ideal diode is a simplified version of a real diode used to understand how diodes work in circuits. It possesses two terminals: the positive anode and the cathode, which is negative. When a positive voltage is applied to the anode relative to the cathode, the diode is in a forward-biased state, allowing...
2.2K
Diode: Forward bias01:20

Diode: Forward bias

2.1K
In semiconductor devices, diodes play a crucial role in directing current flow, and its operation is primarily categorized into forward bias and reverse bias. A diode is said to be forward-biased when its p-type region is connected to the positive terminal of a battery and its n-type region is linked to the negative terminal. This configuration reduces the potential barrier within the diode, allowing current to flow easily from the p to the n-type region.
The behavior of a diode in forward bias...
2.1K
Modeling of Diode Forward Characteristics01:19

Modeling of Diode Forward Characteristics

1.1K
Understanding the behavior of diodes when forward-biased is a fundamental aspect of electronic circuit design and analysis. This analysis primarily utilizes two models: the exponential diode model and the constant-voltage-drop model. The exponential model comes into play when the source voltage exceeds 0.5 volts, pushing the diode current to rise exponentially above the saturation current. This relationship is graphically depicted in the current-voltage (I-V) curve, illustrating the diode's...
1.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ultrafast Hot-Carrier Cooling in CsPbBr<sub>3</sub> Supercrystals via Long-Range Electronic Coupling.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Three-Dimensional Garment Architectures for Tactile Embodied Intelligence.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Pregnancy-induced hypertension are preceded by prenatal perturbations of the gut microbiome and metabolome.

Cellular and molecular life sciences : CMLS·2026
Same author

Analysis of hepatic and serum responses to acute cold stress in juvenile yellowfin tuna Thunnus albacares (Bonnaterre 1788).

Journal of fish biology·2026
Same author

Clean, Ice-Assisted Transfer of Flexible Transparent Copper Mesh Films for Electrothermal Heating and Terahertz Shielding.

ACS applied materials & interfaces·2026
Same author

Folic Acid Intake, Genetic Variations, and DNA Methylation in Hypertensive Disorders of Pregnancy : A Prospective Cohort and Epigenome-Wide Association Study.

European journal of preventive cardiology·2026

Related Experiment Video

Updated: Jan 31, 2026

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
07:44

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

9.4K

Recent Developments in Tandem White Organic Light-Emitting Diodes.

Peng Xiao1, Junhua Huang2, Yicong Yu3

  • 1School of Physics and Optoelectronic Engineering, Foshan University, Foshan 528000, China. xiaopeng@fosu.edu.cn.

Molecules (Basel, Switzerland)
|January 6, 2019
PubMed
Summary

Tandem white organic light-emitting diodes (WOLEDs) offer enhanced efficiency and lifetime over single devices. This review covers strategies for high-performance tandem WOLEDs, including fluorescent, phosphorescent, and hybrid types.

Keywords:
charge generation layerdoping-freeorganic light-emitting diodetandemwhite

More Related Videos

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
05:51

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Published on: November 15, 2016

8.4K
Step-by-Step Guide for Harnessing Organic Light Emitting Diodes by Solution Processed Device Fabrication of a TADF Emitter
06:25

Step-by-Step Guide for Harnessing Organic Light Emitting Diodes by Solution Processed Device Fabrication of a TADF Emitter

Published on: November 7, 2025

480

Related Experiment Videos

Last Updated: Jan 31, 2026

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
07:44

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

9.4K
Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
05:51

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Published on: November 15, 2016

8.4K
Step-by-Step Guide for Harnessing Organic Light Emitting Diodes by Solution Processed Device Fabrication of a TADF Emitter
06:25

Step-by-Step Guide for Harnessing Organic Light Emitting Diodes by Solution Processed Device Fabrication of a TADF Emitter

Published on: November 7, 2025

480

Area of Science:

  • Materials Science
  • Organic Electronics
  • Optoelectronics

Background:

  • Tandem white organic light-emitting diodes (WOLEDs) are crucial for advanced lighting and display technologies.
  • Compared to single-unit devices, tandem WOLEDs exhibit significantly improved current efficiency, external quantum efficiency, and operational lifetime.

Purpose of the Study:

  • To provide a comprehensive review of fundamental concepts in tandem WOLED device architectures.
  • To summarize recent advancements and state-of-the-art strategies for achieving high-performance tandem WOLEDs.
  • To explore various types of tandem WOLEDs, including fluorescent, phosphorescent, thermally activated delayed fluorescent, and hybrid structures, as well as doping-free configurations.

Main Methods:

  • Review of fundamental device architectures for tandem WOLEDs.
  • Summarization of recent research and development strategies for high-performance devices.
  • Categorization and analysis of different types of tandem WOLEDs based on emissive materials and structures.

Main Results:

  • Tandem WOLED architectures enable substantial enhancements in device efficiency and longevity.
  • Significant progress has been made across various types of tandem WOLEDs, including fluorescent, phosphorescent, TADF, and hybrid devices.
  • The development of doping-free tandem WOLEDs presents a promising avenue for simplified fabrication and potentially improved performance.

Conclusions:

  • Tandem WOLEDs represent a key technology for next-generation lighting and displays due to their superior performance metrics.
  • Continued research into advanced device architectures, novel materials, and fabrication techniques will drive further improvements in tandem WOLED technology.
  • The field is poised for future development, with potential for even higher efficiencies, longer lifetimes, and broader applications.