Display device and light source
AssigneesBeijing Boe Display Technology Co., Ltd., Boe Technology Group Co., Ltd.
InventorsWeipin Hu, Jun Wu, Lianjie Qu, Yinglong Huang
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Abstract
A display device and a light source are provided. The display device includes a display panel and a first photonic crystal layer arranged at a light-emitting side of the display panel. The first photonic crystal layer is configured to enable incident light to exit along a Z direction, the Z direction being a thickness direction of the first photonic crystal layer.
Claims17
A display device, comprising a display panel and a first photonic crystal layer arranged at a light-emitting side of the display panel, wherein the first photonic crystal layer is configured to enable incident light to exit along a Z direction of the first photonic crystal layer, the Z direction being a thickness direction of the first photonic crystal layer,
- wherein the first photonic crystal layer comprises a periodic structure having visible light photon forbidden bands in an X direction and in a Y direction;
- the X direction is different from Y direction, and a plane where the X direction and the Y direction are located is perpendicular to the Z direction,
- wherein a first adjusting component is arranged between the display panel and the first photonic crystal layer, and the first adjusting component is configured to adjust an angle of the first photonic crystal layer relative to a light-emitting surface of the display panel,
- wherein the first adjusting component comprises a first substrate and a second substrate opposite to each other, and a supporting structure arranged on the second substrate, the supporting structure being configured to support the first photonic crystal layer,
- wherein the first substrate comprises a first base plate and a first electrode arranged on the first base plate, and the second substrate comprises a second base plate and a second electrode arranged on the second base plate;
- and there is a distance between the first substrate and the second substrate, and the second base plate is a flexible base plate, and
- wherein the first photonic crystal layer comprises a plurality of independent first photonic crystal blocks, each of the plurality of first photonic crystal blocks is supported by a plurality of first adjusting components, and the plurality of first adjusting components corresponding to each first photonic crystal block is configured to control degrees that second base plates of the plurality of first adjusting components recess inward or protrude outward, to enable the supported first photonic crystal block to rotate relative the light-emitting surface of the display panel.
A light source, comprising a light source body and a third photonic crystal layer, wherein the third photonic crystal layer comprises a periodic structure that enables incident light to generate an auto-collimation effect in a Z direction, the Z direction being a thickness direction of the third photonic crystal layer,
- wherein the third photonic crystal layer comprises a periodic structure having a visible light photon forbidden bands in an X direction and in a Y direction;
- the X direction is different from the Y direction, and a plane where the X direction and the Y direction are located is perpendicular to the Z direction,
- wherein a first adjusting component is arranged between the light source body and the third photonic crystal layer, and the first adjusting component is configured to adjust an angle of the third photonic crystal layer relative to a light-emitting surface of the light source body,
- wherein the first adjusting component comprises a first substrate and a second substrate opposite to each other, and a supporting structure arranged on the second substrate, the supporting structure being configured to support the third photonic crystal layer,
- wherein the first substrate comprises a first base plate and a first electrode arranged on the first base plate, and the second substrate comprises a second base plate and a second electrode arranged on the second base plate;
- and there is a distance between the first substrate and the second substrate, and the second base plate is a flexible base plate, and
- wherein the third photonic crystal layer comprises a plurality of independent first photonic crystal blocks, each if the plurality of first photonic crystal blocks is supported by a plurality of first adjusting components, and the plurality of first adjusting components corresponding to each first photonic crystal block is configured to control degrees that second base plates of the plurality of first adjusting components recess inward or protrude outward, to enable the supported first photonic crystal block to rotate relative to the light-emitting surface of the light source body.
Dependencies are inferred from the claim text.