Product Design, Manufacturing & Innovation Resources

Publicações recentes – Patentes em displays micro-LED

Displays de micro-LED

Dica: além da seleção abaixo, você pode pesquisar e filtrar nossos 2 bancos de dados completos:

> ferramenta de busca de publicações gratuitas < Por autor, tópico, palavras-chave, data ou periódico.

> ferramenta gratuita de busca de patentes < para patentes em inglês do Escritório Europeu de Patentes.

Micro-LED displays are emissive flat-panel technologies built from inorganic gallium nitride LED chips with individual pixel dimensions typically below 100 micrometres, delivering luminance levels, contrast ratios, and operational lifespans that neither OLED nor LCD architectures can match at equivalent pixel densities. The fundamental manufacturing problem — transferring billions of defect-free microscale die from epitaxial wafers onto active-matrix backplanes at production-viable speed and yield — remains the central bottleneck separating laboratory demonstrations from mass-market panels, driving intense patent activity around mass transfer methods, laser lift-off, self-assembly, and redundancy-based repair strategies.

Micro-led displays
A tecnologia micro-LED enfrenta desafios de fabricação para ampliar a produção sem defeitos de displays para o mercado de massa.

On the materials side, efficiency droop at small chip dimensions, colour conversion via quantum dot filters, and the monolithic integration of red, green, and blue emitters on a single GaN substrate are active research fronts.

Downstream applications span AR/VR waveguide-coupled microdisplays, high-brightness automotive HUDs, large-format direct-view video walls, and wearable devices where power budget and form factor make emissive efficiency non-negotiable.

As publicações e patentes indexadas abaixo abrangem toda essa cadeia — desde o crescimento epitaxial e a separação de chips até a integração do backplane, circuitos de acionamento, gerenciamento de cores e arquitetura de tela em nível de sistema.

Esta é a nossa mais recente seleção de publicações e patentes mundiais em inglês sobre displays Micro-LED, provenientes de diversos periódicos científicos online, classificadas e focadas em Micro-LED, μLED, epitaxia de LED, transferência em massa de micro-LED, micro-LED pick-and-place, backplane de micro-LED, backplane TFT de micro-LED, colagem de wafers de micro-LED, singulação de chips de LED, espaçamento de pixels de micro-LED, micro-LED monolítico, matriz de micro-LED, micro-LED de GaN e micro-LED.

Publicação: no recent news on this particular topic. Please try the extensive manual search in the Publication Database linked just above.

Display module and electronic device including the same

Patent published on the 2026-10-15 in US under Ref US20260324161 by SAMSUNG ELECTRONICS CO LTD [KR] (Seo Yeonghyeon [kr], Jang Hyuntae [kr])

Abstract: A display module is provided. The display module includes a glass substrate including a first surface, a second surface opposite to the first surface, and a plurality of through holes extending from the second surface to the first surface, a plurality of through electrodes, each through electrode partially filling a through hole among the plurality of through holes, and a plurality of micro light emitting diodes (LEDs), each micro LED disposed in a through hole among the plurality of through hol[...]


Our summary: A display module features a glass substrate with through holes. It includes through electrodes that partially fill these holes. Micro LEDs are placed in the holes and connected to the electrodes.

display module, micro LEDs, glass substrate, through electrodes

Patent

Micro-led beam steering

Patent published on the 2026-10-08 in WO under Ref WO2026209492 by SIGNIFY HOLDING B V [NL] (Van Bommel Ties [nl])

Abstract: A lighting device comprises first and second micro-LED light sources comprising a respective die having respective spatial extensions less than or equal to 100 micrometers. Each die has length to width aspect ratio of at least 2. The first and second micro-LEDs are arranged non-parallel with respect to each other such that an angle between directions of elongation of the micro-LEDs is at least 20 degrees. A controller is configured to individually control a respective luminous flux of the first [...]


Our summary: The device features first and second micro-LED light sources with spatial extensions of 100 micrometers or less. It allows for individual control of luminous flux to create different spatial light distributions in two operational modes. The micro-LEDs are arranged at an angle of at least 20 degrees to enhance beam steering capabilities.

micro-LED, beam steering, luminous flux, spatial light distribution

Patent

Method of optimizing cartridge size

Patent published on the 2026-09-24 in WO under Ref WO2026193595 by VUEREAL INC [CA] (Chaji Gholamreza [ca], Cronin John [us])

Abstract: The present invention discloses methods of optimizing the size of cartridges used in micro-LED processing. The invention discloses various methods of optimizing cartridge size utilizing compensation techniques to overcome defect uniformity, wavelength uniformity, flatness, defects limit, vendor specifications, design size, design shape, number of cartridges, and cartridge transfer costs.[...]


Our summary: The invention provides methods to optimize cartridge sizes for micro-LED processing. It addresses issues such as defect uniformity and wavelength uniformity. Various compensation techniques are employed to meet vendor specifications and reduce transfer costs.

cartridge optimization, micro-LED processing, compensation techniques, defect uniformity

Patent

Technologies for micro-led optical interconnects

Patent published on the 2026-08-20 in US under Ref US20260247737 by DUONG BENJAMIN T [US] (Ahmed Khaled [us], Fryman Joshua B [us], Duong Benjamin T [us])

Abstract: [0000] Technologies for micro-LED optical interconnects are disclosed. In an illustrative embodiment, micro-LEDs are used to drive optical signals coupled to a multi-mode fiber. The multi-mode fiber carries the light to a photodetector array. The photodetector array includes several pixels, each of which has several nanowire phototransistors. The nanowire phototransistors have a fast response time and a combined high quantum efficiency. The nanowire phototransistors may be wavelength selective, [...]


Our summary: Micro-LEDs drive optical signals through multi-mode fiber to a photodetector array. The array consists of pixels with nanowire phototransistors that offer fast response and high quantum efficiency. Metasurface nanostructures may enhance wavelength selectivity for improved optical detection.

micro-LEDs, optical interconnects, photodetector array, nanowire phototransistors

Patent

Micro-led systems having in situ current measurement circuits

Patent published on the 2026-08-05 in EP under Ref EP4787357 by MICROSOFT TECHNOLOGY LICENSING LLC [US] (Thompson Barry [us], Prather Lawrence A [us], Dyer Kenneth Colin [us])

Abstract: [0001] Microscopic light emitting diodes (micro-LEDs) systems having in situ current measurement circuits are described. An example micro-LED system includes a set of micro-LEDs formed in a display substrate and a set of pixel driver circuits formed in a backplane substrate, coupled to the display substrate, where a respective pixel driver circuit is to provide current to a respective micro-LED during a first mode of operation for the set of micro-LEDs. The micro-LED system further includes a cu[...]


Our summary: Micro-LED systems with in situ current measurement circuits are described. The system includes micro-LEDs and pixel driver circuits on separate substrates. A current measurement circuit uses an operational amplifier to measure current from pixel drivers.

micro-LED, current measurement, pixel driver circuits, operational amplifier

Patent

Micro-led systems with bridge circuits for scaling voltages and currents

Patent published on the 2026-07-29 in EP under Ref EP4783151 by MICROSOFT TECHNOLOGY LICENSING LLC [US] (Dyer Kenneth Colin [us], Prather Lawrence A [us])

Abstract: [0001] Microscopic light emitting diodes (micro-LEDs) systems with bridge circuits for scaling voltages and currents are described. An example micro-LED system includes a set of micro-LEDs having a respective voltage terminal configured to receive a first positive voltage supply and a common cathode terminal configured to receive a negative voltage supply. The micro-LED system includes sensing circuits to sense voltages and currents received from a selected subset of the set of micro-LEDs, where[...]


Our summary: The content describes micro-LED systems utilizing bridge circuits for voltage and current management. It details how these systems scale voltages and limit currents through sensing circuits. The micro-LEDs are configured with specific voltage terminals for efficient operation.

micro-LEDs, bridge circuits, voltage scaling, current sensing

Patent

Tópicos abordados: Micro-LED, displays emissivos, nitreto de gálio, dimensões de pixels, níveis de luminância, taxas de contraste, vida útil operacional, métodos de transferência de massa, remoção a laser, automontagem, queda de eficiência, filtros de pontos quânticos, integração monolítica, AR/VR, HUDs automotivos, videowalls de visualização direta, dispositivos vestíveis, arquitetura de display ISO/IEC 61966, IEC 62341, ISO 9241, ISO/IEC 29170 e IEC 62832.

Glossário de termos utilizados

Least Common Denominator (LCD): O menor múltiplo comum aos denominadores de duas ou mais frações, permitindo a conversão dessas frações em formas equivalentes com um denominador comum para adição, subtração ou comparação.

Contexto histórico

1965
1970
1970
1974-11-15
1980
1980
1980
1964
1968
1970
1970
1975
1980
1980
1980

(Caso a data seja desconhecida ou irrelevante, por exemplo, "mecânica dos fluidos", é fornecida uma estimativa aproximada de seu surgimento notável)

10º ano aniversário

Imagens em tamanho real e downloads estão disponíveis apenas, 100% gratuitos, para membros registrados.