Display apparatus and electronic device
There is provided a display apparatus that includes a plurality of light-emitting elements that constitutes pixels, a light guiding/scattering layer that is provided on the plurality of light-emitting elements and scatters light emitted from the plurality of light-emitting elements, and a reflection partition wall that separates portions of the light guiding/scattering layer corresponding to each of the pixels and reflects the light emitted from the plurality of light-emitting elements.
1. A display apparatus, comprising:
a plurality of light-emitting elements that constitutes a plurality of pixels, wherein each of the plurality of light-emitting elements is configured to emit white light;
a light guiding/scattering layer on the plurality of light-emitting elements, wherein the light guiding/scattering layer is configured to scatter the white light emitted from the plurality of light-emitting elements;
a reflection partition wall that separates configured to:
separate portions of the light guiding/scattering layer for each of the plurality of pixels, wherein each of the portions corresponds to a respective light-emitting element of the plurality of light-emitting element; and
reflect the white light emitted from the plurality of light-emitting elements; and
a plurality of color filters corresponding to a plurality of colors in each of the plurality of pixels, wherein the plurality of color filters is provided one of above or below the light guiding/scattering layer.
2. The display apparatus according to claim 1 , wherein
the reflection partition wall is over perimeters of each of the plurality of light-emitting elements,
each of the plurality of light-emitting elements corresponds to a respective color of the plurality of colors in each of the plurality of pixels.
3. The display apparatus according to claim 1 , wherein
the light guiding/scattering layer includes a scattering body and a transparent material,
a refractive index of the scattering body is higher than a refractive index of the transparent material, and
the scattering body is dispersed in the transparent material.
4. The display apparatus according to claim 3 , wherein the scattering body further includes one of ZrO2, BaTiO2, TiO2, ZnO, Y2O3, or Al2O3.
5. The display apparatus according to claim 3 , wherein
the scattering body includes a plurality of transparent particles, and
an average particle size of the plurality of transparent particles is 0.4 μm or more and 2 μm or less.
6. The display apparatus according to claim 1 , wherein the reflection partition wall includes one of a metal material or a semiconductor material.
7. The display apparatus according to claim 3 , wherein
the reflection partition wall includes a dielectric body, and
a refractive index of the dielectric body is lower than the refractive index of the transparent material.
8. An electronic device, comprising:
a display unit including a plurality of light-emitting elements that constitutes a plurality of pixels, wherein each of the plurality of light-emitting elements is configured to emit white light;
a light guiding/scattering layer on the plurality of light-emitting elements, wherein the light guiding/scattering layer is configured to scatter the white light emitted from the plurality of light-emitting elements;
a reflection partition wall configured to:
separate portions of the light guiding/scattering layer for each of the plurality of pixels, wherein each of the portions corresponds to a respective light-emitting element of the plurality of light-emitting element; and
reflect the white light emitted from the plurality of light-emitting elements;
a plurality of color filters corresponding to a plurality of colors in each of the plurality of pixels, wherein the plurality of color filters is provided above or below the light guiding/scattering layer; and
a display control unit that controls the display unit.