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:
Sep. 03, 2019

Filed:

Nov. 14, 2017
Applicant:

Shanghai Tianma Micro-electronics Co., Ltd., Shanghai, CN;

Inventors:

Qijun Yao, Shanghai, CN;

Shaolong Ma, Shanghai, CN;

Feng Lu, Shanghai, CN;

Liang Liu, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/045 (2006.01); G02F 1/1333 (2006.01); G06F 3/044 (2006.01); G06F 1/3234 (2019.01);
U.S. Cl.
CPC ...
G06F 3/044 (2013.01); G02F 1/13338 (2013.01); G06F 1/3262 (2013.01); G06F 3/045 (2013.01); G06F 3/0416 (2013.01); G06F 2203/04103 (2013.01); G06F 2203/04105 (2013.01);
Abstract

Disclosed are a display panel and a touch display device. The display panel comprises a pressure sensor, the pressure sensor comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first set of connection blocks and a second set of connection blocks; the material of the first resistor, the second resistor, the third resistor and the fourth resistor is a semiconductor material; the material of the first set of connection blocks and the second set of connection blocks is a metal material; the display panel further comprises a first direction and a second direction; the first resistor and the third resistor comprise at least two subresistors; each subresistor forming the same resistor is connected end to end with each other via the second set of connection blocks; the shape of each subresistor, the second resistor and the fourth resistor is a bar.


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