Micro-device panel and manufacturing process thereof

Abstract

A manufacturing process for a micro-device panel including the following steps is provided. A plurality of micro-device sets are formed on a transferring substrate, and each of the plurality of micro-device sets has at least one micro-device. A plurality of receiving blocks are provided. The plurality of micro-device sets are respectively transferred from the transferring substrate onto the plurality of receiving blocks to form a plurality of building blocks by a transfer head. The plurality of building blocks are placed on a receiving substrate. Finally, the adjacent building blocks on the receiving substrate are connected by a plurality of connecting devices to form the micro-device panel.

1 . A manufacturing process for a micro-device panel, comprising:
 forming a plurality of micro-device sets on a transferring substrate, wherein each of the plurality of micro-device sets has at least one micro-device;   providing a plurality of receiving blocks;   respectively transferring the plurality of micro-device sets from the transferring substrate onto the plurality of receiving blocks to form a plurality of building blocks by a transfer head;   placing the plurality of building blocks on a receiving substrate; and   connecting the adjacent building blocks on the receiving substrate by a plurality of connecting devices to form the micro-device panel.   
     
     
         2 . The manufacturing process for the micro-device panel as recited in  claim 1 , wherein the plurality of micro-device sets are in one-to-one correspondence with the plurality of receiving blocks, and the step of respectively transferring the plurality of micro-device sets from the transferring substrate onto the plurality of receiving blocks to form the plurality of building blocks by the transfer head further comprises:
 repeatedly transferring each of the plurality of micro-device sets from the transferring substrate onto a corresponding receiving block in the plurality of receiving blocks to form one of the building blocks; and   testing each of the building blocks, so as to determine a plurality of functional building blocks.   
     
     
         3 . The manufacturing process for the micro-device panel as recited in  claim 2 , wherein the at least one micro-device of each of the plurality of micro-device sets forms a micro-device array, each of the receiving blocks comprises an active area having at least one sub-pixel, and the step of repeatedly transferring each of the plurality of micro-device sets from the transferring substrate onto the corresponding receiving block in the plurality of receiving blocks to form one of the building blocks further comprises:
 picking up one of the plurality of micro-device sets from the transferring substrate;   moving and aligning the one of the plurality of micro-device sets with one of the receiving blocks corresponding to the one of the plurality of micro-device sets;   placing the one of the plurality of micro-device sets onto the one of the receiving blocks, so that the micro-device array is corresponding to the active area and the at least one micro-device is disposed corresponding to the at least one sub-pixel.   
     
     
         4 . The manufacturing process for the micro-device panel as recited in  claim 3 , wherein a number of the at least one micro-device in the micro-device array of each of the plurality of micro-device sets is equal to a number of the at least one sub-pixel in the active area of the corresponding receiving block in the plurality of receiving blocks. 
     
     
         5 . The manufacturing process for the micro-device panel as recited in  claim 2 , wherein the step of placing the plurality of building blocks on the receiving substrate further comprises:
 placing the plurality of functional building blocks on a same plane of the receiving substrate.   
     
     
         6 . The manufacturing process for the micro-device panel as recited in  claim 2 , wherein the step of placing the plurality of building blocks on the receiving substrate further comprises:
 placing the plurality of functional building blocks on different planes on a same side of the receiving substrate, so that orthogonal projections of the adjacent building blocks onto the receiving substrate overlap with each other.   
     
     
         7 . The manufacturing process for the micro-device panel as recited in  claim 1 , wherein the at least one micro-device of each of the building blocks forms a micro-device array, a number of rows of the micro-device array is M, a number of columns of the micro-device array is N, and M and N are positive integers. 
     
     
         8 . The manufacturing process for the micro-device panel as recited in  claim 7 , wherein each of the connecting devices comprises a plurality of first connecting lines in a first direction and a plurality of second connecting lines in a second direction, a number of the first connecting lines is X, a number of the second connecting lines is Y, and X and Y are positive integers. 
     
     
         9 . The manufacturing process for the micro-device panel as recited in  claim 8 , wherein X is greater than or equal to M, and Y is greater than or equal to N. 
     
     
         10 . The manufacturing process for the micro-device panel as recited in  claim 8 , wherein the first connecting lines and the second connecting lines are made by a photolithography process. 
     
     
         11 . A micro-device panel, comprising
 a receiving substrate;   a plurality of building blocks, disposed on the receiving substrate;   a plurality of micro-device sets, wherein each of the plurality of micro-device sets has at least one micro-device, and each of the plurality of building blocks has one of the plurality of micro-device sets; and   a plurality of connecting devices, connecting the adjacent building blocks on the receiving substrate.   
     
     
         12 . The micro-device panel as recited in  claim 11 , wherein the at least one micro-device of each of the plurality of micro-device sets forms a micro-device array, a number of rows of the micro-device array is M, a number of columns of the micro-device array is N, and M and N are positive integers. 
     
     
         13 . The micro-device panel as recited in  claim 12 , wherein each of the connecting devices comprises a plurality of first connecting lines in a first direction and a plurality of second connecting lines in a second direction, a number of the first connecting lines is X, a number of the second connecting lines is Y, and X and Y are positive integers. 
     
     
         14 . The micro-device panel as recited in  claim 13 , wherein X is greater than or equal to M, and Y is greater than or equal to N. 
     
     
         15 . The micro-device panel as recited in  claim 13 , wherein the first connecting lines and the second connecting lines are made by a photolithography process. 
     
     
         16 . The micro-device panel as recited in  claim 11 , wherein the plurality of building blocks are arranged on a same plane of the receiving substrate. 
     
     
         17 . The micro-device panel as recited in  claim 11 , wherein the plurality of building blocks are arranged on different planes on a same side of the receiving substrate, and orthogonal projections of the adjacent building blocks onto the receiving substrate overlap with each other. 
     
     
         18 . The micro-device panel as recited in  claim 11 , wherein each of the building blocks further has an active area having at least one sub-pixel, and, in each of the building blocks, the active area is corresponding to the micro-device array so that the at least one micro-device is disposed corresponding to the at least one sub-pixel. 
     
     
         19 . The micro-device panel as recited in  claim 18 , wherein, in each of the building blocks, a number of the at least one micro-device is equal to a number of the at least one sub-pixel. 
     
     
         20 . The micro-device panel as recited in  claim 11 , wherein the micro-device set of each of the plurality of building blocks is individually determined to be functional by testing.