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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.

Patent No.:

US 11373428 B1

PDFFull Text
Date of Patent:
Jun. 28, 2022

Filed:

Jun. 15, 2020

Display device including sensor

Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

TaeHyoung Moon, Gyeonggi-do, KR;

JaeHyun Kim, Gyeonggi-do, KR;

SungJin Lee, Gyeonggi-do, KR;

DeukHo Yeon, Gyeonggi-do, KR;

Assignee:

LG DISPLAY CO., LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Abdul-Samad A Adediran

Int. Cl.
CPC ...
G06K 9/00 (2022.01); G06V 40/13 (2022.01); B06B 1/06 (2006.01); H01L 27/15 (2006.01); H01L 27/32 (2006.01); B06B 1/02 (2006.01); H01L 29/786 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
G06V 40/1306 (2022.01); B06B 1/0207 (2013.01); B06B 1/0688 (2013.01); H01L 27/156 (2013.01); H01L 27/3234 (2013.01); H01L 27/3262 (2013.01); H01L 27/3265 (2013.01); H01L 27/3276 (2013.01); B06B 2201/70 (2013.01); H01L 27/124 (2013.01); H01L 27/1225 (2013.01); H01L 27/1251 (2013.01); H01L 27/1255 (2013.01); H01L 29/7869 (2013.01); H01L 29/78675 (2013.01);
Abstract

A display device can include a display panel including display pixels having light emitting elements, and sensing pixels including piezoelectric elements; and a driving circuit configured to drive the display panel, in which the display panel further includes a substrate; a thin film transistor array disposed on the substrate, the thin film transistor array including display driving transistors included in the display pixels; a sensor array disposed on the thin film transistor array, the sensor array including sensor driving transistors included in the sensing pixels; a piezoelectric element layer disposed on the sensor array, the piezoelectric element layer including the piezoelectric elements connected to the sensor driving transistors; and a light emitting element layer disposed on the piezoelectric element layer, the light emitting element layer including the light emitting elements, and anode electrodes of the light emitting elements are connected to the display driving transistors.

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