LetinAR
Electrical/electronic Manufacturing - Anyang, Gyeonggi-do, South Korea
LetinAR Details
LetinAR develops an optical system for AR smart glasses, which plays the same role as smartphone displays. The optical system consists of LetinAR's self-developed "Pin Mirror ("PinMR™") lens" and a microdisplay made by external partners.Current smartglasses manufacturers use traditional optical systems such as Half-mirror, Diffractive Optical Elements (DOEs), and waveguides to build the devices. Under-par performance of those optical systems has hardly satisfied users and experts. The bulky body, narrow Field of View (FOV), complicated manufacturing process, and inaccurate color expression have long been a stumbling block for successful commercialization of AR smart glasses. LetinAR PinMR™" lens is set to replace such displays. The company has applied the so-called "Pinhole Effect" to tiny mirrors and embedded them with eyeglass lenses. Respective PinMR™ reflects the light from a microdisplay and guides the light into human pupils. Users may view the virtual image from the microdisplay as well as the image from the real world at ease. Human eyes cannot detect the mirrors because the mirrors are smaller than human pupils. Only the virtual image formed by the light reflected by those mirrors becomes visual. With LetinAR PinMR™ lens, manufacturers can build smartglasses worn like a pair of conventional glasses. The simple structure of PinMR™ Lens module can facilitate mass production. PinMR™ Lens shows wider virtual screen than the currently available optical systems while more accurately expressing colors – an edge over diffraction-based or refraction-based systems from competitors. PinMR™ Lens can also show a clear image without inducing dizziness because it is able to extend the Depth of Field (DOF) multiple times. LetinAR plans to supply PinMR™ Lens as a complete module, which consists of PinMR™ lens and a microdisplay from external partners.
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