32results about How to "Avoid Interface Loss" patented technology

A backlight module comprises a frame, a light source and an optical plate; wherein, the light source is positioned in the frame; the optical plate is arranged above the light source and comprises a transparent body; the transparent body comprises a first surface and a second surface opposite to the first surface; the first surface is a plane; the second surface is provided with a plurality of mutually parallel long strip arc bulges and a plurality of mutually parallel long strip V-shaped bulges, which are arranged alternately; The invention also provides the optical plate adopted by the backlight module. The backlight module has the advantages of improving efficient utilization ratio of light and enjoying uniformity of light emission.

An optical plate comprises a transparent body which comprises a first surface and a second surface opposite to the first surface; wherein, the first surface is provided with a plurality of long strip arc grooves; the second surface is provided with a plurality of first long strip V-shaped bulges extending along the first direction and a plurality of second long strip V-shaped bulges extending along the second direction; the included angle of the first direction and the second direction is more than 0 degree and less than 90 degrees. The invention also provides the optical plate adopted by the backlight module. The backlight module has the advantages of improving efficient utilization ratio of light and enjoying uniformity of light emission.

The invention discloses an optical plate comprising a transparent body. The transparent body comprises a first surface and a second surface opposite to the first surface; the first surface of the transparent body is provided with a plurality of parallel strip-shaped arc grooves, and the second surface is provided with a plurality of parallel strip-shaped arc bulges and a plurality of parallel strip-shaped V-shaped bulges; the strip-shaped arc bulges are cross with the strip-shaped V-shaped bulges; and the extending direction of the strip-shaped arc bulges is also cross with the extending direction of the strip-shaped arc grooves on the first surface. The optical plate has the advantages of improving the effective utilization ratio of beams and emitting even beams. The invention also provides a backlight module adopting the optical plate.

A backlight module comprises a frame, a light source and an optical plate. The light source is positioned in the frame and the optical plate is arranged above the light source. The optical plate comprises a transparent body and the transparent body comprises a first surface and a second surface opposite to the first surface, wherein the first surface is provided with a plurality of mutually parallel long strip arc grooves; the second surface is provided with a plurality of mutually parallel long strip arc bulges and a plurality of mutually parallel long strip V-shaped bulges, the extension directions of the long strip arc bulges intersect with the extension directions of long strip V-shaped bulges, and the extension directions of the long strip arc grooves are parallel to the extension directions of the long strip arc bulges. The invention also provides the optical plate adopted by the backlight module. The backlight module has the advantages of improving efficient utilization ratio of light and enjoying uniformity of light emission.

A diffusion plate comprises a body made of transparent materials. The body comprises a first surface and a second surface opposite to the first surface, wherein, the first surface is provided with a plurality of first long strip arc grooves and a plurality of second long strip arc grooves, which are alternately distributed; when the first long strip arc grooves and the second long strip arc grooves extend from one side of the diffusion plate to the other side, the width of the first long strip arc grooves gradually increases while the width of the second long strip arc grooves gradually decreases; the second surface is provided with a plurality of first long strip arc bulges and a plurality of second long strip arc bulges, which are alternately distributed; when the first long strip arc bulges and the second long strip arc bulges extend from one side of the diffusion plate to the other side, the width of the first long strip arc bulges gradually increases while the width of the second long strip arc bulges gradually decreases. The diffusion plate has the advantages of improving effective utilization ratio of light and enjoying uniformity of light emission. The invention also provides a backlight module adopting the diffusion plate.

The invention relates to an optical target formed by a transparent body which comprises a first surface and a second surface opposite to the first surface; wherein the first surface is provided with a plurality of long strip arc sockets and the second surface is provided with a plurality of strip arc bulges; the extending direction of a plurality of strip arc bulges on the second surface intersects with the extending direction of a plurality of long strip arc sockets on the first surface. The optical target has the advantages of increasing the effective utilization of light and uniform light-emitting.

A prism sheet is formed by a transparent body which comprises a first surface and a second surface opposite to the first surface. The first surface of the transparent body is provided with a plurality of spherical grooves, and the second surface is provided with a plurality of triangular pyramid grooves, wherein four triangular pyramid grooves have a common connection point and form a parallelogram shape. The prism sheet has the advantages of high effective utilization rate of light and uniform light emitting.

The invention relates to a prism lens which comprises a transparent body, wherein the transparent body comprises a first surface and a second surface which corresponds to the first surface. The first surface of the transparent body is a plane, and the second surface is provided with a plurality of triangular pyramid grooves, wherein four triangular pyramid grooves are provided with common connection points and form a parallelogram. The prism lens has the advantages of improving the effective utilization rate of light rays and emitting uniform light rays.

A backlight module comprises a frame, a light source and an optical plate; wherein, the light source is positioned in the frame; the optical plate is arranged above the light source and comprises a transparent body; the transparent body comprises a first surface and a second surface opposite to the first surface; the first surface is provided with a plurality of mutually parallel long strip arc grooves; the second surface is provided with a plurality of mutually parallel long strip arc bulges and a plurality of mutually parallel long strip V-shaped bulges, which are arranged alternately; the long strip arc grooves on the first surface are parallel to the long strip arc bulges and the long strip V-shaped bulges on the second surface. The invention also discloses the optical plate adopted by the backlight module. The backlight module has the advantages of improving efficient utilization ratio of light and enjoying uniformity of light emission.

The invention relates to a prism sheet comprising a transparent body. The transparent body comprises a first surface and a second surface opposite to the first surface; the first surface is provided with a plurality of micro grooves taking a triangular pyramid shape; every six adjacent micro grooves sharing the same connection points form a hexagram shape; the second surface is provided with a plurality of strip-shaped and arc-shaped grooves. The prism sheet can improve the effective utilization rate of light and ensure high light extraction uniformity.

A diffusion plate comprises a body; wherein, the body is made of transparent materials in which scattering particles are dispersed and comprises a first surface and a second surface opposite to the first surface; the first surface is provided with a plurality of alternately distributed first long strip arc grooves and second long strip arc grooves; when the first long strip arc grooves and the second long strip arc grooves extend from one side of the diffusion plate to the other side, the width of the first long strip arc grooves gradually increases while the width of the second long strip arc grooves gradually decreases; the second surface is provided with a plurality of alternately distributed first long strip arc bulges and second long strip arc bulges; when the first long strip arc bulges and the second long strip arc bulges extend from one side of the diffusion plate to the other side, the width of the first long strip arc bulges gradually increases while the width of the second long strip arc bulges gradually decreases. The diffusion plate has the advantages of improving effective utilization ratio of light and enjoying uniformity of light emission. The invention also provides a backlight module adopting the diffusion plate.