Back to results
US 11,378,842 B2Granted
Backlight module and display device
AssigneeHkc Corporation Limited
InventorChao-Kun Kuo
Life of this patent
Estimating the term…
Abstract
This application discloses a backlight module, including: a back plate, a backlight source installed on the back plate, a luminous region located in the center region of the back plate, and a dark region which is located at the edge of the back plate and surrounds the luminous region. The backlight source includes first light sources and second light sources. The first light sources are located in the luminous region, and the second light sources are located in the dark region.
Claims15
A backlight module, comprising:
- a back plate;
- a backlight source, installed on the back plate;
- a luminous region, located in the center region of the back plate;
- and
- a dark region, located at the edge of the back plate and surrounding the luminous region, wherein
- the backlight source comprises a first light source and a second light source;
- and
- the first light source is located in the luminous region, and the second light source is located in the dark region;
- wherein the first light source comprises a plurality of horizontal LED light bars that are vertically aligned, and each horizontal LED light bar comprises a plurality of LEDs, and wherein the second light source comprises at least one vertical LED light bar, each of which comprises a plurality of LEDs;
- wherein the dark region comprises a plurality of side edges, and the second light source is arranged on an inner wall of the side edges;
- wherein the side edges comprise:
- two first side edges, arranged in parallel and oppositely;
- and
- two second side edges, arranged in parallel and oppositely, and perpendicular to the first side edges;
- and
- the first side edges are longer than the second side edges, and the second light source is only arranged on the second side edges, and wherein the first side edges are not provided with the second light source.
13 more elements
A backlight module, comprising:
- a back plate;
- a backlight source, installed on the back plate;
- a luminous region, located in the center region of the back plate;
- and
- a dark region, located at the edge of the back plate and surrounding the luminous region, wherein
- the backlight source comprises a first light source and a second light source;
- and
- the first light source is located in the luminous region, and the second light source is located in the dark region, wherein the dark region comprises a plurality of side edges;
- two adjacent side edges are connected to form a corner;
- and the second light source is arranged in the corner regions, and wherein the second light source is only arranged in the corner regions of the dark region and not arranged in the remaining portions of the dark region.
7 more elements
A backlight module, comprising:
- a back plate;
- a backlight source, comprising a first light source and a second light source;
- the back plate comprises:
- a bottom plate, located in the center region of the back plate;
- a first reflection plate, located on a plane different from the plane of the bottom plate and connected with the first side edge of the bottom plate;
- and
- a second reflection plate, located on a plane different from the plane of the bottom plate and connected with the second side edge of the bottom plate;
- the first reflection plate, the second reflection plate and the bottom plate form a tetrahedron-shaped reflection structure at an intersection;
- the first light source is arranged on the bottom plate;
- and
- the second light source is arranged on an intersection point of the first reflection plate, the second reflection plate and the bottom plate.
8 more elements
Dependencies are inferred from the claim text.