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Laser lighting having selective resolution

專利號(hào)
US11800077B2
公開(kāi)日期
2023-10-24
申請(qǐng)人
KYOCERA SLD Laser, Inc.(US CA Goleta)
發(fā)明人
Vlad Joseph Novotny; Paul Rudy
IPC分類
H04N9/77; G02B27/01; G02B26/10; H04N9/31; F21K9/64
技術(shù)領(lǐng)域
phosphor,laser,scanning,mirror,eu.sup,in,un,color,patterned,light
地域: CA CA Goleta

摘要

In an example, the present invention provides an optical engine apparatus. The apparatus has a laser diode device, the laser diode device characterized by a wavelength ranging from 300 to 2000 nm or any variations thereof. In an example, the apparatus has a lens coupled to an output of the laser diode device and a scanning mirror device operably coupled to the laser diode device. In an example, the apparatus has an un-patterned phosphor plate coupled to the scanning mirror and configured with the laser device; and a spatial image formed on a portion of the un-patterned phosphor plate configured by a modulation of the laser and movement of the scanning mirror device.

說(shuō)明書(shū)

This description relates to optical and electrical designs, architecture and implementation of smart lighting and displays. The optical architecture is based on the single or multiple laser diodes, single or multiple scanning mirrors and single or multiple un-patterned phosphor plates.

As background, conventional displays use white light illumination and array of color filters and addressable Liquid Crystal Display (LCD) pixels on the panels, with pixels being turned on or off with or without light intensity control by addressing electronics. Another type of displays is formed by array of addressable pixels that generate light emission by electroluminescence (Organic Light Emitting Diode—OLED array). Yet another type of display is created by addressable array of deflectable micromirrors that reflect the color sequential, time division multiplexed light selectively to projection optics and a screen. Additionally, another type of color display that does not require the matrix of addressable elements is based on three color light sources and the biaxial scanning mirror that allows formation of images by scanning in two directions while three lasers or other light sources are directly modulated by driving currents. In addition, patterned phosphor plate with red, green and blue array of phosphor pixels can be addressed by laser light incident on scanning mirrors while the light intensities are controlled by laser drivers. Illumination patterns can be viewed directly, or re-imaged with an optical system to a desired surface.

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