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

Color Vision01:24

Color Vision

1.8K
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
1.8K

You might also read

Related Articles

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

Sort by
Same author

Controllable and Exceptionally Efficient Spin-Orbit Charge-Transfer Intersystem Crossing in Twisted π-Conjugated Perylene Bisimides for High-Performance Photochemical Applications.

Angewandte Chemie (International ed. in English)·2026
Same author

Engineering Immunoregenerative Therapy via an Immunomodulatory Binary Pharmacology Hydrogel Depot for Prolonged Allograft Survival.

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

Differential rumen and hindgut microbiome and metabolome in Holstein female calves with divergent feed efficiency.

Microbiome·2026
Same author

Ultralong Room Temperature Phosphorescence of the Host in Host-Guest Doped Systems.

Angewandte Chemie (International ed. in English)·2026
Same author

Purely organic room-temperature phosphorescence sensitizers for OLEDs.

Chemical science·2026
Same author

Regulation of Neuronal Senescence by <i>Srebf2</i> and <i>Zmiz1</i> Reveals Mechanisms of Aging-Related Neurodegeneration.

Biology·2026

Related Experiment Video

Updated: Mar 8, 2026

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

9.3K

Color-Fidelity Stepwise Charge-Transfer Modulation Enables Highly Efficient BT.2020-Compliant Deep-Blue OLEDs.

Longjiang Xing1,2, Ruiqi Sun2, Wen-Cheng Chen1,3

  • 1School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong Province, P.R. China.

Angewandte Chemie (International Ed. in English)
|March 7, 2026
PubMed
Summary

Researchers developed a new deep-blue organic emitter for displays. This breakthrough achieves high efficiency and color purity, meeting stringent standards for next-generation electronic devices.

Keywords:
color‐fidelity charge‐transfer modulationmultiple resonancereverse intersystem crossing ratethermally activated delayed fluorescence

More Related Videos

Blue-hazard-free Candlelight OLED
10:18

Blue-hazard-free Candlelight OLED

Published on: March 19, 2017

9.9K
An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
10:33

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

Published on: February 27, 2019

9.0K

Related Experiment Videos

Last Updated: Mar 8, 2026

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

9.3K
Blue-hazard-free Candlelight OLED
10:18

Blue-hazard-free Candlelight OLED

Published on: March 19, 2017

9.9K
An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
10:33

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

Published on: February 27, 2019

9.0K

Area of Science:

  • Organic electronics
  • Materials science
  • Display technology

Background:

  • Achieving deep-blue organic light-emitting diodes (OLEDs) with high efficiency and color purity for standards like BT.2020 is a significant challenge.
  • Existing limitations stem from difficulty in balancing narrow emission spectra with efficient singlet and triplet exciton harvesting.

Purpose of the Study:

  • To introduce a novel strategy for designing deep-blue organic emitters.
  • To enhance color fidelity, efficiency, and spectral purity in OLEDs.

Main Methods:

  • A color-fidelity stepwise charge-transfer modulation strategy was employed.
  • This method sequentially modulates charge-transfer pathways, suppresses vibrational coupling, and reduces the singlet-triplet energy gap.
  • Spin-orbit interactions were enhanced to accelerate the spin-flip process.

Main Results:

  • The optimized emitter, BOCz-CzPO, demonstrated a high reverse intersystem crossing rate (12.5 × 10^3 s^-1) and near-unity photoluminescence quantum yield.
  • In OLEDs, BOCz-CzPO achieved a high external quantum efficiency (28.0%) for deep-blue emission.
  • The emitter exhibited Commission Internationale de l'Éclairage (CIE) chromaticity coordinates of (0.146, 0.052), closely approaching the BT.2020 standard.

Conclusions:

  • The developed charge-transfer modulation strategy effectively addresses key challenges in deep-blue OLED emitter design.
  • BOCz-CzPO represents a significant advancement, offering high performance and color purity for next-generation displays.
  • This work provides a pathway towards meeting the demanding requirements of future display technologies.