Display device

Abstract

A display device includes a circuit substrate, a light-emitting layer, a wavelength conversion layer, and a blue phase liquid crystal film. The light-emitting layer is disposed on the circuit substrate. The light-emitting layer includes a plurality of light-emitting structures, and the light-emitting structures are electrically connected to the circuit substrate. The wavelength conversion layer is disposed on the side of the light-emitting layer opposite to the circuit substrate. The blue phase liquid crystal film is disposed on the side of the wavelength conversion layer opposite to the light-emitting layer.

Claims

1. A display device, comprising: A circuit board; A light-emitting layer is disposed on the circuit substrate, the light-emitting layer includes a plurality of light-emitting structures, and the light-emitting structures are electrically connected to the circuit substrate; a wavelength conversion layer is disposed on the side of the light-emitting layer opposite to the circuit substrate; and a blue phase liquid crystal film is disposed on the side of the wavelength conversion layer opposite to the light-emitting layer; wherein the wavelength conversion layer has a wavelength conversion portion and a wavelength maintenance portion, the light-emitting structures include a first light-emitting structure and a second light-emitting structure, the wavelength conversion portion is at least located on the first light-emitting structure, and the wavelength maintenance portion is located on the second light-emitting structure.

2. The display device as claimed in claim 1, wherein the wavelength maintaining portion includes a perforation.

3. The display device as claimed in claim 1, wherein the blue phase liquid crystal film has a liquid crystal portion and a perforated portion, the liquid crystal portion being located in the wavelength conversion portion and the perforated portion being located in the wavelength maintenance portion.

4. The display device as claimed in claim 3, wherein the perforated portion comprises a light-scattering material.

5. The display device as claimed in claim 1, wherein the blue phase liquid crystal film has a liquid crystal portion located in the wavelength conversion portion and the wavelength maintenance portion.

6. The display device as claimed in claim 1, wherein the light-emitting structures further include a third light-emitting structure, the wavelength conversion section having two wavelength conversion regions with different emission wavelengths, the two wavelength conversion regions being located opposite the first light-emitting structure and the third light-emitting structure, respectively.

7. The display device as claimed in claim 6, wherein the blue phase liquid crystal film has a liquid crystal portion located in the wavelength conversion region.

8. The display device as claimed in claim 1, wherein the blue phase liquid crystal film contains a plurality of blue phase liquid crystal molecules arranged in a disordered helical pattern within the region of the wavelength maintenance portion.

9. The display device as claimed in claim 1, wherein the light-emitting structures include a plurality of blue light-emitting structures.

10. The display device as claimed in claim 1, wherein the wavelength conversion layer includes a quantum dot conversion layer.

11. The display device as claimed in claim 1 further includes a protective layer, wherein the protective layer is disposed on the side of the blue phase liquid crystal film opposite to the wavelength conversion layer.

12. A display device, comprising: A circuit board; A light-emitting layer is disposed on the circuit substrate, the light-emitting layer includes a plurality of light-emitting structures, and the light-emitting structures are electrically connected to the circuit substrate; a wavelength conversion layer is disposed on the side of the light-emitting layer opposite to the circuit substrate; and a blue phase liquid crystal film is disposed on the side of the wavelength conversion layer opposite to the light-emitting layer; wherein the light-emitting layer further includes a light-shielding structure, the light-shielding structure is disposed on the circuit substrate in a coplanar manner with the light-emitting structures, and the light-emitting structures are separated into a plurality of individual light-emitting structures by the light-shielding structure.

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