MICRO DISPLAY MODULE
A micro display module includes an X-cube prism configured to combine two or more monochrome images into a polychromatic image; and at least two micro-LED (light emitting diode) display panels configured to provide the two or more monochrome images for the X-cube prism, wherein each of the micro-LED display panels is adhered to a corresponding one of surfaces of the X-cube prism.
1 . A micro display module, comprising:
an X-cube prism configured to combine two or more monochrome images into a polychromatic image; and
at least two micro-LED (light emitting diode) display panels configured to provide the two or more monochrome images for the X-cube prism, wherein each of the micro-LED display panels is adhered to a corresponding one of surfaces of the X-cube prism.
2 . The micro display module according to claim 1 , further comprising at least one light shielding piece provided on sidewalls of corresponding one of the micro-LED display panels.
3 . The micro display module according to claim 2 , wherein each of the light shielding pieces is attached to the sidewall of the corresponding micro-LED display panel.
4 . The micro display module according to claim 3 , wherein an edge of each of the light shielding pieces is interior to or aligned with an edge of the X-cube prism.
5 . The micro display module according to claim 3 , wherein each of the light shielding piece comprises a U-shape structure and is attached with three sidewalls of the corresponding micro-LED display panel.
6 . The micro display module according claim 2 , wherein each of the light shielding pieces comprises one or more of following properties: non-transparent, non-reflected, waterproof, or chemical resistance.
7 . The micro display module according to claim 6 , wherein each of the light shielding pieces is black.
8 . The micro display module according to claim 1 , wherein sidewalls of the micro-LED display panels are sealed by a light shielding layer.
9 . The micro display module according to claim 8 , wherein the light shielding layer is further adhered to the X-cube prism by a seal glue.
10 . The micro display module according to claim 9 , wherein the seal glue is non-transparent.
11 . The micro display module according to claim 1 , wherein the each of the micro-LED display panels is adhered to the corresponding surface of the X-cube prism by an optical transmission film.
12 . The micro display module according to claim 11 , wherein an optical transmittance of the optical transmission film is equal to or greater than 99%.
13 . The micro display module according to claim 12 , wherein a material of the optical transmission film is selected from at least one of resin or glue.
14 . The micro display module according to claim 13 , wherein the material of the optical transmission film is ultra-violet curing adhesive.
15 . The micro display module according to claim 1 , wherein each of the micro-LED display panels is adhered to the corresponding surface of the X-cube prism by an optical glue.
16 . The micro display module according to claim 15 , wherein the optical glue is applied on a perimeter of each of the micro-LED display panels.
17 . The micro display module according to claim 16 , wherein the optical glue is applied by a dispensing process to adhere each of the micro-LED display panels to the corresponding surface of the X-cube prism.
18 . The micro display module according to claim 15 , wherein the optical glue is an OCA (Optically Clear Adhesive) film.
19 . The micro display module according to claim 1 , wherein the micro-LED display panels are adhered to corresponding ones of surfaces of the X-cube, the micro display module further comprises a lens provided on a second surface of the X-cube prism to receive lights transmitted from the X-cube prism.
20 . The micro display module according to claim 19 , further comprising a housing configured to connect the lens with the X-cube prism.
21 . The micro display module according to claim 20 , wherein the housing comprises:
a top cover configured to cover a top surface of the X-cube prism; and
a lens connector configured to connect the lens with the X-cube prism, wherein the top cover and the lens connector are integrated.
22 . The micro display module according to claim 1 , wherein each of the surfaces of the X-cube prism to which a corresponding one of the micro-LED display panels is adhered is covered by a shielding layer with an opening exposed and corresponding to a light emitting area of the corresponding micro-LED display panel.
23 . A micro-LED display panel, comprising:
a micro-LED chip provided at a first end of a flexible printed circuit (FPC) board and configured to provide a monochrome image; and
a connector provided at a second end of the FPC board and configured to communicate with the micro-LED chip by the FPC board.
24 . The micro-LED display panel according to claim 23 , wherein the connector is further configured to electrically communicate with an external signal.
25 . The micro-LED display panel according to claim 23 , further comprising:
a first plate connected to the first end of the FPC, wherein the micro-LED chip is provided on the first plate and on a front side of the micro-LED display panel; and
a second plate connected to the second end of the FPC board, wherein the connector is provided on the second plate and on a back side of the micro-LED display panel.
26 . The micro-LED display panel according to claim 25 , wherein the micro-LED chip is attached to the first plate by an adhesive material.
27 . The micro-LED display panel according to claim 25 , wherein the connector is attached on the second plate by an adhesive material.
28 . The micro-LED display panel according to claim 26 , wherein the adhesive material is a Die-Attach (DA) material.
29 . The micro-LED display panel according to claim 25 , wherein the micro-LED chip is electrically connected to the FPC board by a golden wire.
30 . The micro-LED display panel according to claim 25 , further comprising:
a memory chip provided on the second plate and on the front side of the micro-LED display panel and electrically coupled to the micro-LED chip and the connector.
31 . The micro-LED display panel according to claim 30 , wherein the memory chip is attached to the second plate by an adhesive material.
32 . The micro-LED display panel according to claim 31 , wherein the adhesive material is a Die-Attach (DA) material.
33 . The micro-LED display panel according to claim 25 , wherein the first plate is a steel plate, and the second plate is a flex-rigid board.
34 . The micro-LED display panel according to claim 25 , wherein the first plate, the FPC board, and the second plate are integrated into a signal structure.