IP Library › Granted Patent US 8,877,531
Granted Patent B2
US 8,877,531 · App. 13/074,259 · Granted Nov 4, 2014

Electronic apparatus

Inventors: Lihua Zhao (Sunnyvale, CA); Hao Luo (Milpitas, CA); Carl P. Taussig (Redwood City, CA); James A. Brug (Menlo Park, CA); Richard E. Elder (Palo Alto, CA); Warren Jackson (San Francisco, CA); Ping Mei (San Jose, CA)
Assignee: Applied Materials, Inc.
H01L51/0024H01L27/156
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Quick Facts
Patent No.
US 8,877,531
App. No.
13/074,259
Granted
Nov 4, 2014
Kind
B2
Abstract

An electronic apparatus is provided that includes a number of first components on a first substrate and a number of second components on a second substrate. A lamination material that includes a conducting material is placed between the first components and the second components. Any one first component can couple to a varied subset of second components.

Claims (20)

1. A method of forming a display, comprising:

forming a first electrode layer on a first substrate;

forming an organic light emitting diode (OLED) stack on the first electrode layer;

forming a second electrode layer over the OLED stack;

patterning the second electrode layer to form a plurality of micro-OLEDs; and

laminating the plurality of micro-OLEDs on the first substrate to a plurality of pixels in an electronic backplane on a second substrate, wherein a lamination material comprising a conducting material is disposed between the plurality of micro-OLEDs and the plurality of pixels, and wherein any one pixel in the electronic backplane can couple to a varied subset of micro-OLEDs in the plurality of micro-OLEDs.

2. The method of claim 1 , wherein forming OLED stack comprises:

depositing a hole transport layer;

depositing an organic light emitting material layer; and

depositing an electron injection layer.

3. The method of claim 1 , wherein forming the second electrode layer over the OLED stack comprises vapor deposition of a metal layer over the OLED stack.

4. The method of claim 1 , wherein forming the lamination material comprises incorporating an anisotropic conduction material into a polymeric host material.

5. The method of claim 1 , wherein the portion of the second electrode layer is removed by laser ablation.

6. The method of claim 1 , wherein the patterning is performed by:

cold-welding the portion of the second electrode layer to a patterned die; and

removing the cold-welded portion from the surface of the OLED stack.

7. The method of claim 1 , wherein patterning the second layer of micro OLEDs comprises sealing offset layers in the space between the micro-OLEDS.

8. The method of claim 1 , wherein joining comprises:

applying heat to melt the lamination material; and

applying pressure to join the OLED structure on the first substrate to one side of the lamination material and an active side of an electronic backplane on the second substrate to the opposing side of the lamination material.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 20, 2014
From: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
To: APPLIED MATERIALS, INC.
Reel/Frame 033576/0067 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 29, 2011
From: ZHAO, LIHUA; LUO, HAO; TAUSSIG, CARL P.; BRUG, JAMES A.; ELDER, RICHARD E.; JACKSON, WARREN B.; MEI, PING
To: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. COMPANY
Reel/Frame 026040/0833 →
Continuity (2)
Continuation In Part 12891414 · Sep 27, 2010
Related Publication 20120074433A1 · Mar 29, 2012