第一种是使用投影仪和全息图的组合,其中图像使用全息方法在一定距离投射,以令眼睛自然对焦。
撰文:李星
近日,上海显耀显示科技有限公司JadeBirdDisplay(以下简称“JBD”)宣布与Xpanceo建立战略合作伙伴关系,共同开发新一代AR智能隐形眼镜。
位于阿联酋迪拜的AR隐形眼镜开发商XPANCEO致力于创造一种像传统隐形眼镜一样轻薄,并且无缝集成增强现实、健康监测和监督功能的设备。
对于本次与JBD的合作,双方旨在将JBD的MicroLED显示屏集成到Xpanceo的智能隐形眼镜中。目前团队正在探索两种方法来实现这种整合。第一种是使用投影仪和全息图的组合,其中图像使用全息方法在一定距离投射,以令眼睛自然对焦。JBD的MicroLED投影仪已经成功地测试了这种方法,但目前的原型机采用了外部投影仪,但两家公司正在积极努力将其直接集成到隐形眼镜之中。
第二种方法采用集成微显示器的形式,将一个小屏幕直接嵌入隐形眼镜中。其中,一个定制的准直系统用于引导图像作为平行光束,以令用户的眼睛能够有效地对焦。
使用JBD的显示技术,Xpanceo已经创建了一个工作原型,实现了总透镜厚度小于0.5毫米。两家公司声称,与传统的增强现实眼镜相比,这种智能隐形眼镜具有显著的优势。通过降低周边视觉的分辨率(不需要高细节),它们减少了视频控制器的处理负荷,并实现了更紧凑的设计。
另外,与智能眼镜中使用的波导技术相比,这种设备的亮度损失减少了三倍,所以显示效果更清晰、更生动。据称,这款眼镜的功耗不到10μW,比同类AR眼镜低100到300倍,适合全天佩戴,无需频繁充电。
据了解,JBD成立于2015年,总部和研发中心位于上海浦东,大规模生产基地位于合肥。公司专注于0.3英寸以下MicroLED的研发和生产,拥有自主IC设计、MOCVD材料生长、MicroLED混合集成技术加工制造、封装测试、软件硬件驱动设计、光学模组等技术。
JBD目前拥有成熟的单色和彩色MicroLED光引擎产品线,可为不同定位的智能眼镜提供极具竞争力的解决方案。当前基于JBDMicroLED微显示方案的AR眼镜已达到25款,这些产品满足了消费者对AR眼镜轻量化和个性化的期待。
作为决定MicroLED微显示器性能的关键指标,亮度一直是JBD持续攻关的重点方向。最近一年中,JBD分别刷新MicroLED红、绿、蓝光的亮度纪录:绿光亮度达到业界领先的800万尼特,蓝光亮度提升至150万尼特,红光亮度也突破100万尼特大关,这一系列突破性进展标志着JBD在持续提升MicroLED发光效率方面取得长足进步。
JBD也在开发单片全彩MicroLED微显示技术,其基于垂直堆叠架构的Phoenix(凤凰)系列微显示原型在2023年8月首次亮相。
JBD同时也设计光学模组,针对光波导显示的色彩不均匀性这一行业痛点,推出了业内首个光波导画质校正设备ARTCs,通过校正设备+算法+光引擎计算实现实时校正优化,大幅提升光波导的亮度和色彩均匀性,极大增强光波导AR眼镜的视觉体验。
而XPANCEO由一位经验丰富的企业家和充满热情的科技爱好者Roman创建,曾创建多家科技型公司,并最终售出获益50多亿美元。Roman与纳米光子学ValentynS.Volkov博士联合发起了XPANCEO,主要面向研发AR智能隐形眼镜,作为下一代计算机接口,增强人类色彩感知并实现扩展现实显示。这些智能隐形眼镜将利用二硒化铼和二硫化铼等新材料的低对称三斜范德华晶体特性,通过游移主光轴为光波导模式切换光线传播方向。同时通过片上纳米聚焦和阻抗匹配等离子体天线增强局部场等技术,集成生物传感器、超级计算机以及其他先进技术。目前XPANCEO已经研发出了五款不同的硬件设备。
XPANCEO希望能够最终实现生产一款拥有无限视野的隐形眼镜,同时能实现夜视、变焦、浏览、通讯,以及配合传感器实现脑机接口功能,进行人的情绪传递与管理。产品在减少电子垃圾体积数量的产生同时,也能节省人们过度使用沉迷于电子信息屏幕,恢复人们的正常目光交流,改善社会社交的亲密性与安全性。
仅管JBD和XPANCEO都在各自领域提出了行业最先进的解决方案,但要把两者组合起来,难度仍然不小,如何放置体积远超于XPANCEO隐形眼镜的JBD MicroLED光学引擎,做到真正的减少塑料眼镜框使用,同样需要新的思路来解决,而把JBD的显示屏直接集成到XPANCEO隐形眼镜本体里,确实是一种十分先进的尝试。
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2024越南国际集成电路及半导体产业展览会
Chinese MicroLED manufacturer JBD hooks up with Dubai billionaire XPANCEO
Editor: Lucien
Recently, JadeBirdDisplay (hereinafter referred to as "JBD") announced a strategic partnership with Xpanceo to jointly develop a new generation of AR smart contact lenses.
XPARENCEO, AN AR CONTACT LENS DEVELOPER BASED IN DUBAI, U.A.E., AIMS TO CREATE A DEVICE THAT IS AS THIN AND LIGHT AS TRADITIONAL CONTACT LENSES AND SEAMLESSLY INTEGRATES AUGMENTED REALITY, HEALTH MONITORING, AND SUPERVISION.
For this collaboration with JBD, the two companies aim to integrate JBD's MicroLED displays into Xpanceo's smart contact lenses. The team is currently exploring two ways to achieve this integration. The first is to use a combination of a projector and a hologram, in which the image is projected at a distance using the holographic method to allow the eye to focus naturally. JBD's MicroLED projectors have successfully tested this approach, but the current prototype uses an external projector, but the two companies are actively working to integrate it directly into the contact lenses.
The second method takes the form of an integrated microdisplay, where a small screen is embedded directly into the contact lens. A custom collimation system is used to guide the image as a parallel beam of light so that the user's eyes can focus effectively.
Using JBD's display technology, Xpanceo has created a working prototype that achieves a total lens thickness of less than 0.5 mm. The two companies claim that this smart contact lens offers significant advantages over traditional augmented reality glasses. By reducing the resolution of the peripheral vision (which does not require high detail), they reduce the processing load on the video controller and enable a more compact design.
In addition, the device loses three times less brightness than the waveguide technology used in smart glasses, so the display is clearer and more vivid. The glasses are claimed to consume less than 10μW, which is 100 to 300 times lower than comparable AR glasses, making them suitable for all-day wear without the need for frequent recharging.
It is understood that JBD was established in 2015, with its headquarters and R&D center located in Pudong, Shanghai, and a large-scale production base in Hefei. The company focuses on the R&D and production of MicroLED below 0.3 inches, and has independent IC design, MOCVD material growth, MicroLED hybrid integration technology processing and manufacturing, packaging and testing, software and hardware driver design, optical module and other technologies.
JBD currently has a mature product line of monochrome and color MicroLED light engines, which can provide highly competitive solutions for smart glasses with different positioning. At present, there are 25 AR glasses based on JBDMicroLED microdisplay solution, which meet consumers' expectations for lightweight and personalized AR glasses.
As a key indicator to determine the performance of MicroLED microdisplays, brightness has always been the focus of JBD's continuous research. In the past year, JBD has set new brightness records for microLED red, green, and blue light: an industry-leading 8 million nits for green, 1.5 million nits for blue, and 1 million nits for red.
JBD is also developing monolithic full-color microLED microdisplay technology, and its Phoenix series microdisplay prototype based on a vertically stacked architecture debuted in August 2023.
JBD also designed optical modules, aiming at the industry pain point of color non-uniformity of optical waveguide display, launched the industry's first optical waveguide image quality correction equipment ARTCs, which realizes real-time correction and optimization through correction equipment + algorithm + light engine calculation, greatly improves the brightness and color uniformity of optical waveguide, and greatly enhances the visual experience of optical waveguide AR glasses.
XPANCEO was founded by Roman, a seasoned entrepreneur and passionate tech enthusiast, who founded several technology companies and eventually sold them for more than $5 billion. Roman and Dr. Valentyn S. Volkov of Nanophotonics co-founded XPANCEO, which is focused on the development of AR smart contact lenses as a next-generation computer interface to enhance human color perception and enable extended reality displays. These smart contact lenses will take advantage of the low-symmetry triclinic van der Waals crystal properties of new materials such as rhenium diselenide and rhenium disulfide to switch the direction of light propagation in waveguide mode by shifting the main optical axis. At the same time, biosensors, supercomputers, and other advanced technologies are integrated through technologies such as on-chip nanofocus and impedance-matched plasma antenna to enhance local fields. At present, XPANCEO has developed five different hardware devices.
XPANCEO hopes to eventually produce a contact lens with an infinite field of view, and at the same time realize night vision, zoom, browsing, communication, and brain-computer interface functions with sensors to transmit and manage people's emotions. The product not only reduces the volume and quantity of electronic waste, but also saves people from overusing and indulging in electronic information screens, restores people's normal eye contact, and improves the intimacy and safety of social interaction.
Although JBD and XPANCEO have proposed the industry's most advanced solutions in their respective fields, it is still difficult to combine the two, how to place the JBD MicroLED optical engine that is far larger than XPANCEO contact lenses, so as to truly reduce the use of plastic glasses frames, also requires new ideas to solve, and the JBD display is directly integrated into the XPANCEO contact lens body. It is indeed a very advanced attempt.