Curved full-array LED light panel, curved backlight module and curved LCD
US12044922B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2022 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | May 10, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/856
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A curved full-array LED light panel, a curved backlight module including the curved full-array LED light panel, and a curved LCD including the backlight module are disclosed. The curved full-array LED light panel includes a flexible reflective sheet and a plurality of LED light bars wherein a plurality of LEDs are disposed. The plurality of LED light bars are attached to a sheet-rear side of the flexible reflective sheet alone a direction parallel to the height direction of the full-array LED light panel, and the plurality of LEDs disposed on the LED light bars are exposed from a plurality of openings of the flexible reflective sheet toward an LCD panel. Along a direction parallel to the width direction of the full-array LED light panel, the flexible reflective sheet is deformed to form a curved reflective surface. Each of the LED light bars further comprises a bar-shaped PCB, and a plurality of LED dimming-zone circuits are disposed on the bar-shaped PCB. Full-array local dimming of the curved full-array LED light panel can be achieved by controlling the electric current of the LED dimming-zone circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.