Patent · US Active

Projection display system

US10700048B2 · kind B2 · utility

3Cited by

17References

14Claims

0Family size

Assignee

HONG KONG BEIDA JADE BIRD DISPLAY LIMITED · CN

Inventors

Lei Zhang · Shanghai, CN
Fang Ou · Monterey Park, US
Qiming Li · Beijing, CN

Key dates

Filing date	Jul 10, 2018
Grant date	Jun 30, 2020
Priority date	—
Expiry date	Jul 10, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/0364
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

A light-emitting diode (LED) projector includes an LED display panel and a projection lens arranged in front of LED display panel and configured to collect and project light emitted by the LED display panel. The LED display panel includes an LED panel and a micro lens array arranged over the LED panel. The LED panel includes a substrate, a driver circuit array on the substrate and including a plurality of pixel driver circuits arranged in an array, and an LED array including a plurality of LED dies each being coupled to one of the pixel driver circuits. The micro lens array includes a plurality of micro lenses each corresponding to and being arranged over at least one of the LED dies.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.