DISPLAY ASSEMBLY AND DISPLAY DEVICE

Abstract

Disclosed is a display assembly which comprises a substrate, a plurality of light emitting units, a transistor unit and a capacitor unit corresponding to each of the plurality of light emitting units. Each of the plurality of light emitting units is electrically coupled to the corresponding transistor unit and the capacitor unit, all of which are independently provided on a side of the substrate. A spacing between each of the plurality of light emitting units is at least two times of a first threshold length.

Claims

1. A display assembly, comprising: a substrate; a plurality of light emitting units; and a transistor unit and a capacitor unit corresponding to each of the plurality of light emitting units, wherein, each of the plurality of light emitting units and the corresponding transistor unit and capacitor unit are independently provided on a side of the substrate, and each of the plurality of light emitting units is electrically coupled to the corresponding transistor unit and the capacitor unit, wherein, a spacing between each of the plurality of light emitting units is at least two times of a first threshold length.

2. The display assembly of claim 1, wherein the plurality of light emitting units has a shape of a rectangle having a first side and a second side, the first side is smaller than or equal to the second side, the first threshold length is equal to a length of the first side.

3. The display assembly of claim 1, wherein the plurality of light emitting units has a shape of a circle having a diameter, the first threshold length is equal to a length of the diameter.

4. The display assembly of claim 1, wherein the plurality of light emitting units has a shape of a polygon having a symmetry axis, the first threshold length is equal to a length of the symmetry axis.

5. The display assembly of claim 1, wherein the plurality of light emitting units has a shape of a rectangle, a circle, and/or a polygon, the rectangle has a first side and a second side, and the first side is smaller than or equal to the second side; the circle has a diameter, the polygon has a symmetry axis, the first threshold length is equal to the shortest of a length of the first side, a length of the diameter, and a length of the symmetry axis.

6. The display assembly of claim 1, wherein each of the plurality of light emitting units comprises one or more red light emitters, green light emitters, or blue light emitters.

7. The display assembly of claim 1, wherein each of the plurality of light emitting units comprises one or more light emitting body subunits, each of the one or more light emitting body subunits comprises a red light emitter, a green light emitter, and a blue light emitter.

8. The display assembly of claim 7, wherein one of the plurality of light emitting units comprises one to six light emitting body subunits.

9. The display assembly of claim 1, wherein the transistor unit is provided between a corresponding light emitting units and the substrate.

10. The display assembly of claim 1, wherein the transistor unit and the corresponding light emitting units are on a same plane.

11. The display assembly of claim 1, wherein the transistor unit is a thin film transistor.

12. The display assembly of claim 1, further comprising an organic light emitting diode, a micro light emitting diode, a quantum dot light emitter or a laser active light source.

13. A display device comprising the display assembly of claim 1 and a collimating assembly; wherein the collimating assembly comprises a plurality of collimating units, the plurality of collimating units has a shape of a circle which has a diameter, the diameter is at least two times of a second threshold length, a spacing in between each of the plurality of collimating units is at least 400 nm.

14. The display device of claim 13, wherein the plurality of light emitting units has a shape of a rectangle, the rectangle comprises a first side and a second side, and the first side is smaller than or equal to the second side, and the second threshold length is equal to a length of the first side.

15. The display device of claim 13, wherein the plurality of light emitting units has a shape of a circle having a diameter, the second threshold length is equal to a length of the diameter.

16. The display device of claim 13, wherein the plurality of light emitting units has a shape of a polygonal having a symmetry axis, the second threshold length is equal to a length of the symmetry axis.

17. The display device of claim 13, wherein the transistor unit in the display assembly is a thin film transistor.

18. The display device of claim 13, wherein the display assembly is an organic light emitting diode, a micro light emitting diode, a quantum dot light emitter or a laser active light source.

19. The display device of claim 13, wherein the collimating assembly further comprises a means for changing a direction of a collimating light.

20. The display device of claim 13, wherein the plurality of collimating units is a lens or a liquid crystal spatial light modulator.

21. The display device of claim 20, wherein the lens is a microlens or a flat metalens.

22. The display device of claim 13, wherein the plurality of collimating units has a curve surface.

23. The display device of claim 22, wherein the curve surface is a spherical surface or an aspherical surface.

24. The display device of claim 13, wherein the display device is a transparent display or a non-transparent display.

25. The display device of claim 13, wherein the display device is a near-eye display.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0045] FIG. 1A is a schematic view of the light emitting body with the corresponding transistor and capacitor of the display assembly of prior art.

[0046] FIG. 1B is a schematic view of the light emitting units with the corresponding transistor unit and capacitor unit of the display assembly in accordance with an embodiment of the present invention.

[0047] FIG. 2A is a schematic view of the light emitting units in accordance with an embodiment of the present invention.

[0048] FIG. 2B is a schematic view of the light emitting units having a plurality of light emitting body subunits in accordance with an embodiment of the present invention.

[0049] FIG. 3A is a schematic view of the display assembly in accordance with an embodiment of the present invention.

[0050] FIG. 3B is a schematic view of the collimating assembly in accordance with an embodiment of the present invention.

[0051] FIG. 3C is a schematic view of the display assembly and the collimating assembly in accordance with an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0052] Embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings.

[0053] FIG. 1A illustrates a light emitting body 11, a transistor 12, and a capacitor 13 in a display assembly pixel 1 according to the prior art. When the light emitting body 11, the transistor 12 and the capacitor 13 are integrally provided, the light emitting body 11 will be partially blocked by the transistor 12 and the capacitor 13.

[0054] FIG. 1B illustrates a plurality of light emitting units 21 having a corresponding transistor unit 22 and a capacitor unit 23 of the display assembly 2 according to an embodiment of the present invention; in which the light emitting units 21, the transistor unit 22, and the capacitor unit 23 are independently provided on a side of a substrate 20. The light emitting units 21, the transistor unit 22, and the capacitor unit 23 are connected to a conductor 24. The light emitting units 21, the transistor unit 22 and the capacitor unit 23 are on a same plane. The dotted area in FIG. 1B indicates an area which is corresponsive to pixel 1 in FIG. 1A. For the purpose of comparison, relative to the pixel in the prior art, the light emission efficiency of the light emitting units 21 in the display assembly 2 of the present invention is greatly enhanced; in the meantime, the area of the light emitting units 21 can be drastically minimized.

[0055] FIG. 2A is a schematic view of the light emitting units 21 according to an embodiment of the present invention. In this embodiment, the light emitting units 21 has a rectangular shape, the rectangular shape has a first side d1 and second side d2; and the first side d1 is smaller than or equal to the second side d2. And a spacing L1 between each of the light emitting units 21 is at least two times of the first side d1 (L12d1).

[0056] FIG. 2B is a schematic view of the light emitting units 21 according to an embodiment of the present invention, each of the light emitting units 21 comprises four light emitting body subunits 25; and each of the light emitting body subunits 25 comprises a red light (R) emitter, a green light (G) emitter, and a blue light (B) emitter. The arrangement order shown in FIG. 2B is just an example of the embodiment; light emitting units 21 may comprise different number of the light emitting body subunits 25.

[0057] FIG. 3A is a schematic view of the display assembly 2 of the display device 4 display assembly 2. The display assembly 2 comprises a plurality of the light emitting units 21; FIG. 3B is a schematic view of a collimating assembly 3 in the display assembly 2. The collimating assembly 3 comprises a plurality of collimating units 31, each of the light emitting units 21 has a corresponding collimating unit 31. FIG. 3C is a schematic of the combination of FIG. 3A and FIG. 3B. Each diameter of the collimating units 31 is at least two time of a length of the first side d1 of the light emitting units 21; and a spacing L2 between each of the collimating units 31 is at least 400 nm.

[0058] Although particular embodiments of the present invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the present invention. Accordingly, the present invention is not to be limited except as by the appended claims.