Microled display panel

Abstract

A microLED display panel includes a substrate being divided into a plurality of sub-regions for supporting microLEDs, and a plurality of drivers being correspondingly disposed on surfaces of the sub-regions respectively. The driver includes a low-dropout (LDO) regulator and a drive circuit. The LDO regulator receives a system power, according to which a regulated power is generated and provided for the drive circuit.

What is claimed is: 
     
         1 . A micro light-emitting diode (microLED) display panel, comprising:
 a plurality of microLEDs;   a substrate for supporting the microLEDs, the substrate being divided into a plurality of sub-regions; and   a plurality of drivers being correspondingly disposed on surfaces of the sub-regions respectively;   wherein each of the drivers comprises a low-dropout (LDO) regulator and a drive circuit, the LDO regulator receiving a system power, according to which a regulated power is generated and provided to the drive circuit.   
     
     
         2 . The microLED display panel of  claim 1 , wherein the substrate comprises an insulating material. 
     
     
         3 . The microLED display panel of  claim 2 , wherein the substrate comprises glass. 
     
     
         4 . The microLED display panel of  claim 1 , wherein each said driver is disposed in a center of the surface of the corresponding sub-region. 
     
     
         5 . The microLED display panel of  claim 1 , wherein the drivers are bonded on the surfaces of the sub-regions by chip-on-glass (COG) technology. 
     
     
         6 . The microLED display panel of  claim 1 , wherein the drivers and the microLEDs are disposed on a same surface of the substrate. 
     
     
         7 . The microLED display panel of  claim 1 , further comprising a plurality of timing controllers, which are electrically connected with the substrate, which is then electrically connected with the corresponding drivers. 
     
     
         8 . The microLED display panel of  claim 7 , wherein each said timing controller is electrically connected with at least two said drivers. 
     
     
         9 . The microLED display panel of  claim 1 , wherein the microLEDs are driven by a passive driving method. 
     
     
         10 . The microLED display panel of  claim 9 , wherein the drive circuit comprises:
 a column drive circuit, which transmits column drive signals to first electrodes of the microLEDs on same columns via column conductive wires; and   a row drive circuit, which transmits row drive signals to second electrodes of the microLEDs on same rows via row conductive wires.   
     
     
         11 . The microLED display panel of  claim 1 , wherein the microLEDs and the drivers are disposed on a top surface of the substrate. 
     
     
         12 . The microLED display panel of  claim 11 , further comprising a light guide layer disposed above the microLEDs. 
     
     
         13 . The microLED display panel of  claim 11 , further comprising a cover plate disposed on a bottom surface of the substrate such that light generated by the microLEDs primarily emits upward from the top surface of the substrate. 
     
     
         14 . The microLED display panel of  claim 13 , further comprising:
 a trace layer disposed on the top surface of the substrate; and   a light blocking layer disposed above the trace layer.   
     
     
         15 . The microLED display panel of  claim 14 , wherein the light blocking layer is disposed between adjacent pixels composed of the microLEDs. 
     
     
         16 . The microLED display panel of  claim 14 , wherein the light blocking layer is disposed among a red microLED, a green microLED and a blue microLED of a pixel. 
     
     
         17 . The microLED display panel of  claim 11 , further comprising a cover plate disposed above the microLEDs and the drivers such that light generated by the microLEDs primarily emits downward from the top surface of the substrate. 
     
     
         18 . The microLED display panel of  claim 17 , further comprising:
 a light blocking layer disposed on the top surface of the substrate; and   a trace layer disposed above the light blocking layer.   
     
     
         19 . The microLED display panel of  claim 18 , wherein the light blocking layer is further disposed between adjacent pixels composed of the microLEDs. 
     
     
         20 . The microLED display panel of  claim 18 , wherein the light blocking layer is disposed among a red microLED, a green microLED and a blue microLED of a pixel. 
     
     
         21 . The microLED display panel of  claim 1 , further comprising a smoothing capacitor interposed between the regulated power and earth. 
     
     
         22 . The microLED display panel of  claim 1 , wherein the LDO regulator is made by high-voltage metal-oxide-semiconductor (MOS) process, and the drive circuit is made by low-voltage MOS process.