Patterned phosphors in through hole via (THV) glass
First Claim
Patent Images
1. A direct-emission display panel comprising:
- a substrate with a top surface and a bottom surface, wherein the substrate includes a plurality of through-hole vias (THVs) aligned in a plurality of parallel rows, wherein each THV exhibits a first diameter;
a color phosphor material filling a first subset of the plurality of THVs;
a film overlying the top surface of the substrate, wherein the film includes a plurality of wells, wherein each well of the plurality of wells is aligned in a row and exposes a corresponding one of the plurality of THVs, and wherein each well exhibits a second diameter that is greater than the first diameter; and
a plurality of light emitting diode (LED) disks, wherein a respective one of the plurality of LED disks is situated in each well of the plurality of wells, wherein each LED disk of the plurality of LED disks exhibits a disk diameter that is both greater than the first diameter and less than the second diameter.
3 Assignments
0 Petitions
Accused Products
Abstract
Embodiments are related generally to display fabrication, and more particularly to a fluidic assembly process for the placement of light emitting diodes on a transparent display substrate.
-
Citations
22 Claims
-
1. A direct-emission display panel comprising:
-
a substrate with a top surface and a bottom surface, wherein the substrate includes a plurality of through-hole vias (THVs) aligned in a plurality of parallel rows, wherein each THV exhibits a first diameter; a color phosphor material filling a first subset of the plurality of THVs; a film overlying the top surface of the substrate, wherein the film includes a plurality of wells, wherein each well of the plurality of wells is aligned in a row and exposes a corresponding one of the plurality of THVs, and wherein each well exhibits a second diameter that is greater than the first diameter; and a plurality of light emitting diode (LED) disks, wherein a respective one of the plurality of LED disks is situated in each well of the plurality of wells, wherein each LED disk of the plurality of LED disks exhibits a disk diameter that is both greater than the first diameter and less than the second diameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A method for forming a fluidic assembly direct-emission display panel, the method comprising:
-
providing a substrate with a top surface and a bottom surface; forming through-hole vias (THVs) in the substrate aligned in a plurality of parallel rows, each THV having a first diameter; forming a film overlying the substrate top surface; forming a plurality of wells in the film, each well having a second diameter greater than the first diameter, and aligned in a row exposing a corresponding THV; flowing an ink comprising a solvent and a plurality of light emitting diode (LED) disks overlying the film, where each LED disk has a disk diameter greater than the first diameter and less than the second diameter; capturing the LED disks in the wells; and
,filling a first plurality of the THVs with a color phosphor material. - View Dependent Claims (10, 11, 12, 13, 14)
-
-
15. A direct-emission display panel comprising:
-
a display backplane with a top surface; a plurality of light emitting diode (LED) disks overlying the backplane top surface arranged in pixel sections each comprising a plurality of LED disks, where each LED disk is capable of emitting a common first color; a first transparent substrate overlying the backplane top surface with a through-hole via (THV) overlying a first LED disk in each pixel section; a color phosphor material formed in the THVs in the first transparent substrate, capable of passing a second color, different than the first color; and
,a first color filter, capable of blocking the first color, overlying the THVs in the first transparent substrate. - View Dependent Claims (16, 17, 18)
-
-
19. A method for forming a direct-emission display panel comprising:
-
providing a display backplane with a top surface; forming a plurality of light emitting diode (LED) disks overlying the backplane top surface arranged in pixel sections each comprising a plurality of LED disks, where each LED disk is capable of emitting a common first color; forming a first transparent substrate; forming through-hole vias (THVs) in the first transparent substrate, to overlie a first LED disk in each pixel section; forming a color phosphor material in the THVs in the first transparent substrate, capable of passing a second color, different than the first color; forming a first color filter, capable of blocking the first color, overlying the THVs in the first transparent substrate; and
,stacking the first transparent substrate overlying the display backplane top surface. - View Dependent Claims (20, 21, 22)
-
Specification