# New Chemical Compounds for Brighter, More Efficient OLED Screens > This patent describes new organometallic chemical compounds designed to improve the performance of organic light-emitting diode (OLED) displays found in many modern electronic devices. - **Patent:** US 12740310 - **Original title:** Organic electroluminescent materials and devices - **Granted:** 2026 - **Status:** Active - **Times cited:** 0 - **Field:** consumer_electronics, semiconductors, materials, telecommunications ## What it does This patent provides specific organometallic compounds for use in organic light-emitting devices (OLEDs). These compounds feature two distinct chemical parts, called moieties A and B, which are either single rings or multiple rings fused together. Each ring can be a 5- to 10-membered carbocyclic or heterocyclic structure. These moieties are connected by a direct chemical bond and further bridged by a special linker. This linker is made up of two groups chosen from a list including oxygen, sulfur, nitrogen-containing groups, and carbon-containing groups, among others. For example, these compounds could be used to create a more vibrant red pixel in a smartphone's OLED screen. ## What it does NOT cover - Does not cover purely organic light-emitting materials that do not contain metal atoms. - Does not cover inorganic light-emitting materials like those used in traditional LEDs. - Does not cover organometallic compounds that lack the specific 'A' and 'B' moiety structure or the described bridging linker. - Does not cover display technologies that are not based on organic light-emitting diodes (OLEDs), such as LCDs or plasma displays. - Does not cover compounds where the linker groups are outside the specified list (e.g., O, S, Se, NR, BR, etc.). ## The clever bit The novelty lies in the specific chemical architecture: two distinct ring-based moieties (A and B) that are both directly bonded and simultaneously bridged by a specific linker. This dual connection method allows for precise control over the molecule's properties, which is key for efficient light emission. ## Real-world examples 1. Smartphone displays (e.g., iPhone, Samsung Galaxy) 2. High-definition televisions (e.g., LG OLED TVs) 3. Smartwatch screens 4. Virtual reality headsets 5. Automotive infotainment systems ## Why it matters New materials are crucial for advancing display technology. These organometallic compounds aim to improve the efficiency, brightness, color purity, and lifespan of OLED screens. Better materials can lead to more energy-efficient devices and more visually stunning displays for consumers. ## Frequently asked questions ### What does New Chemical Compounds for Brighter, More Efficient OLED Screens cover? This patent describes new organometallic chemical compounds designed to improve the performance of organic light-emitting diode (OLED) displays found in many modern electronic devices. ### When does this patent expire? This patent is expected to expire on September 15, 2046, when the invention enters the public domain. ### What problem does this patent solve? New materials are crucial for advancing display technology. These organometallic compounds aim to improve the efficiency, brightness, color purity, and lifespan of OLED screens. Better materials can lead to more energy-efficient devices and more visually stunning displays for consumers. ### What does this patent NOT cover? Does not cover purely organic light-emitting materials that do not contain metal atoms. **Full plain-English explainer:** https://patentbrief.org/patent/us/12740310/organic-electroluminescent-materials-and-devices **Original patent:** https://patents.google.com/patent/US12740310 --- _Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._ ## Related patents Semantically similar inventions in the PatentBrief corpus: - [How Organic Diodes Make Light Using Special Molecules](https://patentbrief.org/patent/us/4356429/oled-organic-light-emitting-diode) — Eastman Kodak's 1982 patent on creating light-emitting diodes (OLEDs) using organic materials, specifically a layer of porphyrinic compounds to help inject electrical charges. - [Making Tiny Chip Patterns with Special Metal-Filled Ink](https://patentbrief.org/patent/us/10825684/material-composition-and-methods-thereof) — This patent describes a new light-sensitive material, called a resist, that uses special multi-metal complexes to create incredibly small patterns on computer chips using extreme ultraviolet light. - [How Foldable Screens Use Electrochromic Layers to Improve Color and Contrast](https://patentbrief.org/patent/us/12354567/sea-level-raptor) — A method for foldable display panels to adjust their light-filtering properties using electrochromic layers that change color or opacity based on whether the screen is stretched or folded. - [How Liquid Crystal Displays (LCDs) Were Invented](https://patentbrief.org/patent/us/3322485/lcd-liquid-crystal-display) — This 1962 patent describes the first practical way to use organic liquid crystals to create a display that scatters light when an electric current is applied. - [How Nichia Created the First Practical Blue LED Electrodes](https://patentbrief.org/patent/us/5563422/blue-led-gallium-nitride) — A foundational patent describing the specific metal contacts needed to make gallium nitride LEDs efficient and commercially viable.