The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 29, 2020

Filed:

Sep. 02, 2016
Applicant:

Facebook Technologies, Llc, Menlo Park, CA (US);

Inventors:

Padraig Hughes, Cork, IE;

Joseph O'Keeffe, Fermoy, IE;

Celine Oyer, Cork, IE;

William Henry, Cork, IE;

David Massoubre, Cork, IE;

Pooya Saketi, Cork, IE;

Assignee:

Facebook Technologies, LLC, Menlo Park, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/00 (2006.01); G09G 3/3225 (2016.01); H01L 25/075 (2006.01); H01L 33/00 (2010.01); H01L 27/32 (2006.01); H01L 27/15 (2006.01); H01L 33/20 (2010.01);
U.S. Cl.
CPC ...
G09G 3/006 (2013.01); G09G 3/3225 (2013.01); H01L 25/075 (2013.01); H01L 25/0753 (2013.01); H01L 27/156 (2013.01); H01L 27/3244 (2013.01); H01L 33/0095 (2013.01); G09G 2330/08 (2013.01); H01L 33/20 (2013.01); H01L 2224/16221 (2013.01); H01L 2224/16225 (2013.01); H01L 2224/81001 (2013.01);
Abstract

A method for manufacturing a display element comprising a plurality of pixels, each comprising a plurality of sub-pixels. The method comprises undertaking, using a pick up tool, a first placement cycle () comprising picking up a plurality of first, untested LED dies and placing them on a display substrate at locations corresponding to the plurality of pixels, testing () the first LED emitters on the display substrate to determine one or more locations of non-functional first LED emitters, selecting one or more second tested LED dies based on a result of the test, configuring the selected one or more second LED dies to enable their pick up and placement on the display substrate and undertaking, using the PUT, a second placement cycle () comprising picking up the selected one or more second LED dies and placing them on the display substrate at the determined locations of the non-functional first LED emitters.


Find Patent Forward Citations

Loading…