Display device

The display device addresses ambient light reflection and brightness issues in organic light emitting displays by using a light-shielding bank, black matrix, and color filter layer with refractive index differences and inclined surfaces, ensuring high-quality images without a polarization plate.

GB2702839APending Publication Date: 2026-07-01LG DISPLAY CO LTD
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Patent Information

Authority / Receiving Office
GB · GB
Patent Type
Applications
Current Assignee / Owner
LG DISPLAY CO LTD
Filing Date
2025-08-19
Publication Date
2026-07-01

AI Technical Summary

Technical Problem

Organic light emitting display devices suffer from reduced image quality due to ambient light reflection and brightness degradation without a polarization plate, which, when included, further decreases brightness.

Method used

A display device design incorporating a light-shielding bank, black matrix, and color filter layer with specific refractive index differences and inclined side surfaces to minimize ambient light reflection and brightness degradation without a polarization plate.

Benefits of technology

The design effectively reduces ambient light reflection and maintains brightness, enabling high-quality image display without the need for a polarization plate.

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Abstract

A display device 200, comprising: a substrate 202, the substrate including a pixel region P; a light emitting diode D; a light-shielding bank 256; a black matrix 276; and a colour filter layer 280 dis
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Citation Information

Patent Citations

  • Display device including planarization layer contacting light blocking portion and color filter layer

    US12029094B2

  • Display device and electronic device having the same

    US20240164146A1