Product Design, Manufacturing & Innovation Resources

최신 논문 – 마이크로 LED 디스플레이 관련 특허

Micro-LED Displays

팁: 아래 선택 항목 외에도, 저희가 제공하는 두 개의 전체 데이터베이스를 검색하고 필터링할 수 있습니다.

> 무료 간행물 검색 도구 < 저자, 주제, 키워드, 날짜 또는 저널별로 검색.

> 무료 특허 검색 도구 < 유럽 ​​특허청의 영문 특허를 참조하십시오.

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
마이크로 LED 기술은 대량 생산 디스플레이에 적합한 무결점 생산 규모를 확대하는 데 있어 제조상의 어려움에 직면해 있습니다.

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.

아래에 색인된 논문과 특허는 에피택셜 성장 및 칩 분리부터 백플레인 통합, 구동 회로, 색상 관리 및 시스템 수준 디스플레이 아키텍처에 이르기까지 전체 스택을 다룹니다.

본 자료는 마이크로 LED 디스플레이에 관한 전 세계 영문 논문 및 특허를 엄선하여 정리한 것으로, 다양한 온라인 과학 저널에 게재된 자료들을 마이크로 LED, μLED, LED 에피택시, 질량 전송 마이크로 LED, 픽앤플레이스 마이크로 LED, 마이크로 LED 백플레인, TFT 백플레인 마이크로 LED, 마이크로 LED 웨이퍼 본딩, LED 칩 분리, 마이크로 LED 픽셀 피치, 모놀리식 마이크로 LED, 마이크로 LED 어레이, GaN 마이크로 LED 및 마이크로 LED 등의 키워드로 분류하여 집중적으로 다루고 있습니다.

출판: 이 주제에 대한 최근 소식이 없습니다. 바로 위에 링크된 출판물 데이터베이스에서 직접 검색해 보시기 바랍니다.

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

다룬 주제: 마이크로 LED, 발광 디스플레이, 질화갈륨, 픽셀 크기, 휘도, 명암비, 작동 수명, 물질 전달 방법, 레이저 리프트오프, 자체 조립, 효율 저하, 양자점 필터, 모놀리식 통합, AR/VR, 자동차 HUD, 직접 시청 비디오 월, 웨어러블 기기, 디스플레이 아키텍처 ISO/IEC 61966, IEC 62341, ISO 9241, ISO/IEC 29170 및 IEC 62832.

사용된 용어집

Least Common Denominator (LCD): 두 개 이상의 분수의 분모에 공통으로 존재하는 가장 작은 배수로, 이를 통해 분수들을 덧셈, 뺄셈 또는 비교를 위해 공통 분모를 갖는 동등한 형태로 변환할 수 있습니다.

역사적 맥락

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(날짜를 알 수 없거나 관련이 없는 경우, 예를 들어 "유체역학"의 경우, 주목할 만한 등장 시기를 대략적으로 추정하여 제공합니다.)

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