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 Experiment Video

Updated: Jun 22, 2026

Applications for Open Source Microplate-Compatible Illumination Panels
08:48

Applications for Open Source Microplate-Compatible Illumination Panels

Published on: October 3, 2019

Grating micro-dot patterned light guide plates for LED backlights.

Seung Ryong Park, Oh Jang Kwon, Dongho Shin

    Optics Express
    |June 18, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

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

    Sort by
    Same author

    Automated Alerts to Improve Timely Evaluation and Treatment of Valvular Heart Disease: The ALERT Trial.

    Journal of the American College of Cardiology·2026
    Same author

    Surgical Efficacy of Robotic Adrenalectomy: Korean Nationwide Comparative Data Analysis Focusing on Robotic Modality, Surgical Approach, and Tumor Characteristics.

    Journal of laparoendoscopic & advanced surgical techniques. Part A·2026
    Same author

    Performance enhancement method by using the probabilistic estimation for kidney tumor segmentation.

    Frontiers in oncology·2026
    Same author

    Preoperative selective arterial embolization followed by transurethral resection of bladder tumor for large bladder tumors: Early clinical experiences.

    Investigative and clinical urology·2026
    Same author

    Corrosion-Inspired Stabilization of Cobalt Oxide Catalysts via Platinum-Mediated Redox Buffering for Proton Exchange Membrane Water Electrolysis.

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

    Single-Port Robotic Retroperitoneal Nephroureterectomy with Bladder Cuff Excision: Comparative Cohort Study with Multi-Port Transperitoneal Approach.

    Journal of endourology·2026

    A new light guide plate (LGP) design uses micro-dot gratings for uniform LED backlighting. This innovation eliminates hot spots, improving display brightness and viewing angles for enhanced visual performance.

    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • LED backlight units require uniform light distribution for optimal display performance.
    • Existing light guide plate (LGP) technologies often struggle with uniformity and hot spots.

    Purpose of the Study:

    • To propose and demonstrate a novel LGP design for uniform LED backlighting.
    • To achieve narrow luminance angles and eliminate hot spots using micro-dot gratings.

    Main Methods:

    • Designed an LGP with a 2D array of grating micro-dots.
    • Optimized grating-vector orientations and depth modulation.
    • Fabricated the LGP using holographic interferometry and UV embossing replication.

    Main Results:

    • Achieved uniform out-coupled light distribution without recognizable hot spots.

    More Related Videos

    Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
    08:17

    Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

    Published on: May 25, 2016

    Development of an Innovative LED-based Illumination Device for In Vitro Application of Photodynamic Therapy with Rose Bengal
    07:24

    Development of an Innovative LED-based Illumination Device for In Vitro Application of Photodynamic Therapy with Rose Bengal

    Published on: September 12, 2025

    Related Experiment Videos

    Last Updated: Jun 22, 2026

    Applications for Open Source Microplate-Compatible Illumination Panels
    08:48

    Applications for Open Source Microplate-Compatible Illumination Panels

    Published on: October 3, 2019

    Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
    08:17

    Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

    Published on: May 25, 2016

    Development of an Innovative LED-based Illumination Device for In Vitro Application of Photodynamic Therapy with Rose Bengal
    07:24

    Development of an Innovative LED-based Illumination Device for In Vitro Application of Photodynamic Therapy with Rose Bengal

    Published on: September 12, 2025

  • Demonstrated ~62% intensity uniformity within ~8 and ~20 degrees luminance angles.
  • Fabricated polycarbonate LGPs using proposed methods.

    • Conclusions:

    • The proposed LGP with optimized grating micro-dots effectively achieves uniform light distribution.
    • This novel design offers a promising solution for high-performance LED backlighting applications.