In the digital age, innovations in display technologies are continuously driving the development and transformation of various industries. Among these, LED transparent displays have emerged as a highly promising display solution, gradually gaining attention across many sectors.
Transparent LED displays are commonly seen in large advertising screens and mall showcases, especially in places requiring large areas of transparency. Compared to conventional LED transparent displays, Micro LED transparent displays utilize small-sized, high-brightness, low-power Micro LED chips paired with high-transparency glass substrates, offering enhanced display performance and transparency, which broadens their application prospects.
I. The Boundless Potential of Transparent Micro LED Display Applications
With the development of Micro LED technology, the integration of transparent glass or plastic circuit boards with miniaturized Micro LED components significantly improves screen transparency. Through precise design and layout, the non-light-emitting areas (such as circuits and drive components) of Micro LED screens can be minimized or made transparent, reducing their impact on transparency. This makes Micro LED the most sought-after technology for transparent displays.
From an application perspective, transparent Micro LEDs have wide application scenarios, including smart retail, smart healthcare, and smart mobility sectors, offering vast potential for future use.
Micro LED transparent displays are particularly suitable for use in retail spaces, art venues (such as galleries, museums, aquariums), and the hospitality industry, where they can be used for product displays and supplementary introductions. They are expected to shine brightly by 2025.
In the automotive display sector, although Micro LED technology is not yet fully mature, major manufacturers are actively promoting the adoption of Micro LED transparent displays. In the future, Micro LED transparent displays are expected to become solutions for external advertising and in-vehicle information displays in smart cars. By 2026-2027, Micro LED transparent displays are anticipated to enter the automotive market, with European, American, and Japanese automakers leading the way in using them for augmented reality heads-up displays (AR-HUD) or windshield displays.
II. Noteworthy Products in Micro LED Transparent Displays
While Micro LED transparent display technology is attracting much attention due to its vast application scenarios, most current products are concept prototypes displayed at trade shows. According to statistics, over ten companies have launched Micro LED transparent display products.
AUO:
For example, AUO showcased the world’s first large-size transparent Micro LED display applied to a sunroof at CES 2025, bringing an immersive, boundless experience with their Virtual Sky Canopy.
AUO’s Micro LED transparent screens are not only applicable to in-car displays, but also widely used in retail, public transport, electronic consumer products, online meetings, and other fields.
Hisense presented a transparent Micro LED display at CES 2025, featuring micron-sized Micro LED chips, with over 60% transparency and a wide viewing angle, boasting a pitch of 0.69 and touch functionality.
Samsung:
At CES 2025, Samsung introduced an immersive Micro LED transparent windshield, based on Micro LED transparent screen technology. This screen transforms a transparent window into a visible information display or turns the vehicle into a cinema experience. Additionally, the technology is fully transparent, ensuring it doesn’t obstruct the driver’s view while delivering high resolution and brightness.
At CES 2024, Samsung Display first unveiled its Micro LED transparent display, measuring approximately 1 cm in thickness with over 60% transparency. It was later introduced as a commercially available display at ISE 2024.
Continental:
Continental also showcased a transparent central display (Crystal Center Display) at CES 2024, created in collaboration with Swarovski. The product features a 10-inch Micro LED display technology, with the Micro LED panel embedded within a crystal shell, enabling content to float above the screen.
In 2024, companies like VISTAR, LEYARD, TIANMA, and Lenovo also demonstrated Micro LED transparent displays.
VISTAR:
In December 2024, VISTAR launched the world’s first P0.5 Micro LED transparent splicing screen, featuring 25μm Micro LED chips, a brightness of 3000 nits, and an ultra-wide viewing angle with a 72% transparency rate. Powered by AM drivers, the screen is flicker-free, and low current drive extends its lifespan. It is ideal for exhibitions, commercial advertising, and stage settings.
PlayNitride:
At Touch Taiwan 2024, PlayNitride and GIS jointly released a next-generation 13.3-inch transparent Micro LED display with high brightness, high transparency, and low diffraction. At Touch Taiwan 2023, PlayNitride also showcased three Micro LED transparent displays with transparency ranging from 65% to 70% and a brightness of 3000 nits.
Ennostar:
Ennostar showcased high-transparency Micro LED transparent displays at Touch Taiwan 2024, with applications in heads-up displays, windows, and sunroofs, providing driving and commercial information based on road conditions. Epistar also demonstrated high-transparency Micro LED transparent screens at the same event.
LEYARD:
At InfoComm 2024, LEYARD exhibited a 17.3-inch P0.3 Micro LED transparent screen, with a brightness of 3000 nits, a viewing angle exceeding 170 degrees, and a color gamut of DCI-P3 above 98%. The display uses substrate-free Micro LED chips for high light efficiency, and the AM driver ensures flicker-free, low current operation with a long lifespan. They also showcased a P0.6 Micro LED transparent screen.
TIANMA:
In April 2024, TIANMA exhibited an 8.07″ high-PPI transparent Micro LED display at CITE 2024. The 8.07″ high-PPI transparent Micro LED display uses TFT stacking technology, reaching 167 PPI, with a transparency of 55% and full-screen brightness over 1500 nits. The 1.63″ high-PPI Micro LED screen achieves 403 PPI full-color display.
TIANMA has launched several Micro LED transparent screens over the years, including 8.75″ ultra-low reflection transparent displays and 11.6″ transparent in-vehicle displays in 2023. In 2021, they introduced a Micro LED transparent screen with over 70% transparency and a small pixel pitch.
Lenovo:
In February 2024, Lenovo presented a concept laptop featuring a transparent Micro LED screen at MWC. The product uses AUO’s 17.3-inch Micro LED transparent display, with a resolution of 720P and a brightness of 1000 nits.
Nationstar:
Earlier, Nationstar successfully developed a glass-based passive-driven transparent Micro LED full-color display module. BOE developed an **active-driven transparent MLED product with an ultra-high transparency rate exceeding 65%. TCL CSOT showcased a **125-inch glass-based transparent direct-view MLED product.
III. The Future of Micro LED Transparent Displays
Currently, Micro LED transparent display technology is still in its early development stages. Micro LED transparent displays face challenges in areas such as chip manufacturing, miniaturization, mass transfer, testing and repair, full-color design, and driver circuit design, with yield and cost control being major hurdles. However, with manufacturers’ active investment in Micro LED technology, significant progress has been made, opening up possibilities for the future development of Micro LED transparent displays.
For large displays, the Micro LED chip size has been reduced from 34×58 microns to 15×30 microns, significantly improving the chip count and cost-effectiveness per wafer. Additionally, mass transfer technologies such as stamp transfer, laser transfer, and fluid self-assembly are gradually maturing, providing more options for Micro LED’s widespread application.
At present, a major bottleneck in the development of glass-based Micro LED is the need for breakthroughs in the testing process. Several testing technologies are already being applied in the Micro LED manufacturing process, with non-contact electrical testing likely to be a promising solution.
The realization of Micro LED glass-based transparent splicing relies on two key factors: high transparency and frameless design. High transparency is the core metric of transparent display performance, directly influencing application efficiency and visual experience.
For example, VISTAR’s P0.5 Micro LED transparent splicing screen offers a 72% transparency rate. TIANMA has achieved over 75% transparency by differentiating transparent and non-transparent regions on the backplane, increasing the transparent area and overall transparency.
Balancing high transparency and high brightness is a key technical challenge in Micro LED transparent screen technology. Higher brightness may affect transparency, while ultra-high transparency may limit brightness. Innovating materials and processes is essential to enhance brightness without sacrificing transparency.
Borderless design not only improves visual effects but also enhances the adaptability of displays in various applications, driving the use of Micro LED transparent display technology in high-end and automotive displays. Companies like PlayNitride, AUO, BOE, and TIANMA are continuously optimizing their technologies and seeking further innovations.
For instance, PlayNitride uses a unique CoC design to fix Micro LED chips on a carrier board, supporting various transfer technologies for borderless large-size TVs and transparent automotive displays. AUO introduced a 31-inch monolithic Micro LED display with a borderless design, high brightness, and high contrast, reducing tiling time and adapting to various forms and settings.
BOE launched a P0.3 Micro LED automotive display with curved borderless tiling. TIANMA achieved a P0.15mm borderless backplane through LTPS technology and GOA in pixel design, supporting borderless tiling with dual-sided routing and Cu process.
Additionally, Micro LED transparent display technology faces challenges in color accuracy, resolution, light leakage, and privacy. For example, maintaining high transparency while ensuring image clarity and color accuracy is difficult. Due to structural characteristics, transparent displays are prone to light leakage and crosstalk, affecting display quality and increasing privacy protection requirements. Technological innovation will be key to addressing these issues.
IV. Conclusion
Micro LED technology is currently in a developmental phase, facing challenges in process complexity, reliability, and cost control. Although transparent displays represent an innovative application of Micro LED technology, showcasing unique advantages in display effects, their application scope remains relatively limited and not yet widely adopted. Moreover, OLED and other display technologies remain strong competitors, somewhat restricting the market expansion of Micro LED transparent displays.
In terms of corporate strategy, many industry giants have already invested in transparent Micro LED technology. For example, LED companies like LEYARD, Nationstar, and PlayNitride are actively developing related projects. Meanwhile, panel manufacturers such as BOE, TIANMA, and AUO, as well as electronic terminal companies like Samsung and Lenovo, are also advancing the development of transparent Micro LED. As technology matures and market awareness grows, Micro LED transparent screens are expected to become a vital component of future intelligent and high-definition technologies.
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