Direct-lit backlight source and manufacturing method thereof, display device
US11256133B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 21, 2019 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Apr 25, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133613
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A direct-lit backlight source, a manufacturing method thereof, and a display device. The direct-lit backlight source includes: a light-emitting unit array; in a first direction, the light-emitting unit array includes a third region, and a first region and a second region sequentially between a first edge and the third region; in a second direction, the light-emitting unit array includes a sixth region, and a fourth region and a fifth region sequentially between a second edge to the sixth region; light-emitting units adjacent along the first direction in the first, second, third region, have a first, second, third pitch, respectively; light-emitting units adjacent along the second direction in the fourth, fifth, sixth region, have a fourth, fifth, sixth pitch, respectively; the second pitch is greater than the first pitch and the third pitch, respectively; and the fifth pitch is greater than the fourth pitch and the sixth pitch, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.